validator.js

/*!
 * Copyright (c) 2018 Chris O'Hara <cohara87@gmail.com>
 * 
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 * 
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
(function (global, factory) {
	typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
	typeof define === 'function' && define.amd ? define(factory) :
	(global.validator = factory());
}(this, (function () { 'use strict';

function _typeof(obj) {
  if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
    _typeof = function (obj) {
      return typeof obj;
    };
  } else {
    _typeof = function (obj) {
      return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
    };
  }

  return _typeof(obj);
}

function _slicedToArray(arr, i) {
  return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest();
}

function _arrayWithHoles(arr) {
  if (Array.isArray(arr)) return arr;
}

function _iterableToArrayLimit(arr, i) {
  var _arr = [];
  var _n = true;
  var _d = false;
  var _e = undefined;

  try {
    for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
      _arr.push(_s.value);

      if (i && _arr.length === i) break;
    }
  } catch (err) {
    _d = true;
    _e = err;
  } finally {
    try {
      if (!_n && _i["return"] != null) _i["return"]();
    } finally {
      if (_d) throw _e;
    }
  }

  return _arr;
}

function _nonIterableRest() {
  throw new TypeError("Invalid attempt to destructure non-iterable instance");
}

function assertString(input) {
  var isString = typeof input === 'string' || input instanceof String;

  if (!isString) {
    var invalidType;

    if (input === null) {
      invalidType = 'null';
    } else {
      invalidType = _typeof(input);

      if (invalidType === 'object' && input.constructor && input.constructor.hasOwnProperty('name')) {
        invalidType = input.constructor.name;
      } else {
        invalidType = "a ".concat(invalidType);
      }
    }

    throw new TypeError("Expected string but received ".concat(invalidType, "."));
  }
}

function toDate(date) {
  assertString(date);
  date = Date.parse(date);
  return !isNaN(date) ? new Date(date) : null;
}

function toFloat(str) {
  assertString(str);
  return parseFloat(str);
}

function toInt(str, radix) {
  assertString(str);
  return parseInt(str, radix || 10);
}

function toBoolean(str, strict) {
  assertString(str);

  if (strict) {
    return str === '1' || str === 'true';
  }

  return str !== '0' && str !== 'false' && str !== '';
}

function equals(str, comparison) {
  assertString(str);
  return str === comparison;
}

function toString$1(input) {
  if (_typeof(input) === 'object' && input !== null) {
    if (typeof input.toString === 'function') {
      input = input.toString();
    } else {
      input = '[object Object]';
    }
  } else if (input === null || typeof input === 'undefined' || isNaN(input) && !input.length) {
    input = '';
  }

  return String(input);
}

function contains(str, elem) {
  assertString(str);
  return str.indexOf(toString$1(elem)) >= 0;
}

function matches(str, pattern, modifiers) {
  assertString(str);

  if (Object.prototype.toString.call(pattern) !== '[object RegExp]') {
    pattern = new RegExp(pattern, modifiers);
  }

  return pattern.test(str);
}

function merge() {
  var obj = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
  var defaults = arguments.length > 1 ? arguments[1] : undefined;

  for (var key in defaults) {
    if (typeof obj[key] === 'undefined') {
      obj[key] = defaults[key];
    }
  }

  return obj;
}

/* eslint-disable prefer-rest-params */

function isByteLength(str, options) {
  assertString(str);
  var min;
  var max;

  if (_typeof(options) === 'object') {
    min = options.min || 0;
    max = options.max;
  } else {
    // backwards compatibility: isByteLength(str, min [, max])
    min = arguments[1];
    max = arguments[2];
  }

  var len = encodeURI(str).split(/%..|./).length - 1;
  return len >= min && (typeof max === 'undefined' || len <= max);
}

var default_fqdn_options = {
  require_tld: true,
  allow_underscores: false,
  allow_trailing_dot: false
};
function isFQDN(str, options) {
  assertString(str);
  options = merge(options, default_fqdn_options);
  /* Remove the optional trailing dot before checking validity */

  if (options.allow_trailing_dot && str[str.length - 1] === '.') {
    str = str.substring(0, str.length - 1);
  }

  var parts = str.split('.');

  for (var i = 0; i < parts.length; i++) {
    if (parts[i].length > 63) {
      return false;
    }
  }

  if (options.require_tld) {
    var tld = parts.pop();

    if (!parts.length || !/^([a-z\u00a1-\uffff]{2,}|xn[a-z0-9-]{2,})$/i.test(tld)) {
      return false;
    } // disallow spaces


    if (/[\s\u2002-\u200B\u202F\u205F\u3000\uFEFF\uDB40\uDC20]/.test(tld)) {
      return false;
    }
  }

  for (var part, _i = 0; _i < parts.length; _i++) {
    part = parts[_i];

    if (options.allow_underscores) {
      part = part.replace(/_/g, '');
    }

    if (!/^[a-z\u00a1-\uffff0-9-]+$/i.test(part)) {
      return false;
    } // disallow full-width chars


    if (/[\uff01-\uff5e]/.test(part)) {
      return false;
    }

    if (part[0] === '-' || part[part.length - 1] === '-') {
      return false;
    }
  }

  return true;
}

var ipv4Maybe = /^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/;
var ipv6Block = /^[0-9A-F]{1,4}$/i;
function isIP(str) {
  var version = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '';
  assertString(str);
  version = String(version);

  if (!version) {
    return isIP(str, 4) || isIP(str, 6);
  } else if (version === '4') {
    if (!ipv4Maybe.test(str)) {
      return false;
    }

    var parts = str.split('.').sort(function (a, b) {
      return a - b;
    });
    return parts[3] <= 255;
  } else if (version === '6') {
    var blocks = str.split(':');
    var foundOmissionBlock = false; // marker to indicate ::
    // At least some OS accept the last 32 bits of an IPv6 address
    // (i.e. 2 of the blocks) in IPv4 notation, and RFC 3493 says
    // that '::ffff:a.b.c.d' is valid for IPv4-mapped IPv6 addresses,
    // and '::a.b.c.d' is deprecated, but also valid.

    var foundIPv4TransitionBlock = isIP(blocks[blocks.length - 1], 4);
    var expectedNumberOfBlocks = foundIPv4TransitionBlock ? 7 : 8;

    if (blocks.length > expectedNumberOfBlocks) {
      return false;
    } // initial or final ::


    if (str === '::') {
      return true;
    } else if (str.substr(0, 2) === '::') {
      blocks.shift();
      blocks.shift();
      foundOmissionBlock = true;
    } else if (str.substr(str.length - 2) === '::') {
      blocks.pop();
      blocks.pop();
      foundOmissionBlock = true;
    }

    for (var i = 0; i < blocks.length; ++i) {
      // test for a :: which can not be at the string start/end
      // since those cases have been handled above
      if (blocks[i] === '' && i > 0 && i < blocks.length - 1) {
        if (foundOmissionBlock) {
          return false; // multiple :: in address
        }

        foundOmissionBlock = true;
      } else if (foundIPv4TransitionBlock && i === blocks.length - 1) {// it has been checked before that the last
        // block is a valid IPv4 address
      } else if (!ipv6Block.test(blocks[i])) {
        return false;
      }
    }

    if (foundOmissionBlock) {
      return blocks.length >= 1;
    }

    return blocks.length === expectedNumberOfBlocks;
  }

  return false;
}

var default_email_options = {
  allow_display_name: false,
  require_display_name: false,
  allow_utf8_local_part: true,
  require_tld: true
};
/* eslint-disable max-len */

/* eslint-disable no-control-regex */

var splitNameAddress = /^([^\x00-\x1F\x7F-\x9F\cX]+)<(.+)>$/i;
var emailUserPart = /^[a-z\d!#\$%&'\*\+\-\/=\?\^_`{\|}~]+$/i;
var gmailUserPart = /^[a-z\d]+$/;
var quotedEmailUser = /^([\s\x01-\x08\x0b\x0c\x0e-\x1f\x7f\x21\x23-\x5b\x5d-\x7e]|(\\[\x01-\x09\x0b\x0c\x0d-\x7f]))*$/i;
var emailUserUtf8Part = /^[a-z\d!#\$%&'\*\+\-\/=\?\^_`{\|}~\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+$/i;
var quotedEmailUserUtf8 = /^([\s\x01-\x08\x0b\x0c\x0e-\x1f\x7f\x21\x23-\x5b\x5d-\x7e\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]|(\\[\x01-\x09\x0b\x0c\x0d-\x7f\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))*$/i;
var defaultMaxEmailLength = 254;
/* eslint-enable max-len */

/* eslint-enable no-control-regex */

/**
 * Validate display name according to the RFC2822: https://tools.ietf.org/html/rfc2822#appendix-A.1.2
 * @param {String} display_name
 */

function validateDisplayName(display_name) {
  var trim_quotes = display_name.match(/^"(.+)"$/i);
  var display_name_without_quotes = trim_quotes ? trim_quotes[1] : display_name; // display name with only spaces is not valid

  if (!display_name_without_quotes.trim()) {
    return false;
  } // check whether display name contains illegal character


  var contains_illegal = /[\.";<>]/.test(display_name_without_quotes);

  if (contains_illegal) {
    // if contains illegal characters,
    // must to be enclosed in double-quotes, otherwise it's not a valid display name
    if (!trim_quotes) {
      return false;
    } // the quotes in display name must start with character symbol \


    var all_start_with_back_slash = display_name_without_quotes.split('"').length === display_name_without_quotes.split('\\"').length;

    if (!all_start_with_back_slash) {
      return false;
    }
  }

  return true;
}

function isEmail(str, options) {
  assertString(str);
  options = merge(options, default_email_options);

  if (options.require_display_name || options.allow_display_name) {
    var display_email = str.match(splitNameAddress);

    if (display_email) {
      var display_name;

      var _display_email = _slicedToArray(display_email, 3);

      display_name = _display_email[1];
      str = _display_email[2];

      // sometimes need to trim the last space to get the display name
      // because there may be a space between display name and email address
      // eg. myname <address@gmail.com>
      // the display name is `myname` instead of `myname `, so need to trim the last space
      if (display_name.endsWith(' ')) {
        display_name = display_name.substr(0, display_name.length - 1);
      }

      if (!validateDisplayName(display_name)) {
        return false;
      }
    } else if (options.require_display_name) {
      return false;
    }
  }

  if (!options.ignore_max_length && str.length > defaultMaxEmailLength) {
    return false;
  }

  var parts = str.split('@');
  var domain = parts.pop();
  var user = parts.join('@');
  var lower_domain = domain.toLowerCase();

  if (options.domain_specific_validation && (lower_domain === 'gmail.com' || lower_domain === 'googlemail.com')) {
    /*
      Previously we removed dots for gmail addresses before validating.
      This was removed because it allows `multiple..dots@gmail.com`
      to be reported as valid, but it is not.
      Gmail only normalizes single dots, removing them from here is pointless,
      should be done in normalizeEmail
    */
    user = user.toLowerCase(); // Removing sub-address from username before gmail validation

    var username = user.split('+')[0]; // Dots are not included in gmail length restriction

    if (!isByteLength(username.replace('.', ''), {
      min: 6,
      max: 30
    })) {
      return false;
    }

    var _user_parts = username.split('.');

    for (var i = 0; i < _user_parts.length; i++) {
      if (!gmailUserPart.test(_user_parts[i])) {
        return false;
      }
    }
  }

  if (!isByteLength(user, {
    max: 64
  }) || !isByteLength(domain, {
    max: 254
  })) {
    return false;
  }

  if (!isFQDN(domain, {
    require_tld: options.require_tld
  })) {
    if (!options.allow_ip_domain) {
      return false;
    }

    if (!isIP(domain)) {
      if (!domain.startsWith('[') || !domain.endsWith(']')) {
        return false;
      }

      var noBracketdomain = domain.substr(1, domain.length - 2);

      if (noBracketdomain.length === 0 || !isIP(noBracketdomain)) {
        return false;
      }
    }
  }

  if (user[0] === '"') {
    user = user.slice(1, user.length - 1);
    return options.allow_utf8_local_part ? quotedEmailUserUtf8.test(user) : quotedEmailUser.test(user);
  }

  var pattern = options.allow_utf8_local_part ? emailUserUtf8Part : emailUserPart;
  var user_parts = user.split('.');

  for (var _i = 0; _i < user_parts.length; _i++) {
    if (!pattern.test(user_parts[_i])) {
      return false;
    }
  }

  return true;
}

var default_url_options = {
  protocols: ['http', 'https', 'ftp'],
  require_tld: true,
  require_protocol: false,
  require_host: true,
  require_valid_protocol: true,
  allow_underscores: false,
  allow_trailing_dot: false,
  allow_protocol_relative_urls: false
};
var wrapped_ipv6 = /^\[([^\]]+)\](?::([0-9]+))?$/;

function isRegExp(obj) {
  return Object.prototype.toString.call(obj) === '[object RegExp]';
}

function checkHost(host, matches) {
  for (var i = 0; i < matches.length; i++) {
    var match = matches[i];

    if (host === match || isRegExp(match) && match.test(host)) {
      return true;
    }
  }

  return false;
}

function isURL(url, options) {
  assertString(url);

  if (!url || url.length >= 2083 || /[\s<>]/.test(url)) {
    return false;
  }

  if (url.indexOf('mailto:') === 0) {
    return false;
  }

  options = merge(options, default_url_options);
  var protocol, auth, host, hostname, port, port_str, split, ipv6;
  split = url.split('#');
  url = split.shift();
  split = url.split('?');
  url = split.shift();
  split = url.split('://');

  if (split.length > 1) {
    protocol = split.shift().toLowerCase();

    if (options.require_valid_protocol && options.protocols.indexOf(protocol) === -1) {
      return false;
    }
  } else if (options.require_protocol) {
    return false;
  } else if (url.substr(0, 2) === '//') {
    if (!options.allow_protocol_relative_urls) {
      return false;
    }

    split[0] = url.substr(2);
  }

  url = split.join('://');

  if (url === '') {
    return false;
  }

  split = url.split('/');
  url = split.shift();

  if (url === '' && !options.require_host) {
    return true;
  }

  split = url.split('@');

  if (split.length > 1) {
    if (options.disallow_auth) {
      return false;
    }

    auth = split.shift();

    if (auth.indexOf(':') >= 0 && auth.split(':').length > 2) {
      return false;
    }
  }

  hostname = split.join('@');
  port_str = null;
  ipv6 = null;
  var ipv6_match = hostname.match(wrapped_ipv6);

  if (ipv6_match) {
    host = '';
    ipv6 = ipv6_match[1];
    port_str = ipv6_match[2] || null;
  } else {
    split = hostname.split(':');
    host = split.shift();

    if (split.length) {
      port_str = split.join(':');
    }
  }

  if (port_str !== null) {
    port = parseInt(port_str, 10);

    if (!/^[0-9]+$/.test(port_str) || port <= 0 || port > 65535) {
      return false;
    }
  }

  if (!isIP(host) && !isFQDN(host, options) && (!ipv6 || !isIP(ipv6, 6))) {
    return false;
  }

  host = host || ipv6;

  if (options.host_whitelist && !checkHost(host, options.host_whitelist)) {
    return false;
  }

  if (options.host_blacklist && checkHost(host, options.host_blacklist)) {
    return false;
  }

  return true;
}

var macAddress = /^([0-9a-fA-F][0-9a-fA-F]:){5}([0-9a-fA-F][0-9a-fA-F])$/;
var macAddressNoColons = /^([0-9a-fA-F]){12}$/;
var macAddressWithHyphen = /^([0-9a-fA-F][0-9a-fA-F]-){5}([0-9a-fA-F][0-9a-fA-F])$/;
var macAddressWithSpaces = /^([0-9a-fA-F][0-9a-fA-F]\s){5}([0-9a-fA-F][0-9a-fA-F])$/;
function isMACAddress(str, options) {
  assertString(str);

  if (options && options.no_colons) {
    return macAddressNoColons.test(str);
  }

  return macAddress.test(str) || macAddressWithHyphen.test(str) || macAddressWithSpaces.test(str);
}

var subnetMaybe = /^\d{1,2}$/;
function isIPRange(str) {
  assertString(str);
  var parts = str.split('/'); // parts[0] -> ip, parts[1] -> subnet

  if (parts.length !== 2) {
    return false;
  }

  if (!subnetMaybe.test(parts[1])) {
    return false;
  } // Disallow preceding 0 i.e. 01, 02, ...


  if (parts[1].length > 1 && parts[1].startsWith('0')) {
    return false;
  }

  return isIP(parts[0], 4) && parts[1] <= 32 && parts[1] >= 0;
}

function isBoolean(str) {
  assertString(str);
  return ['true', 'false', '1', '0'].indexOf(str) >= 0;
}

var alpha = {
  'en-US': /^[A-Z]+$/i,
  'bg-BG': /^[А-Я]+$/i,
  'cs-CZ': /^[A-ZÁČĎÉĚÍŇÓŘŠŤÚŮÝŽ]+$/i,
  'da-DK': /^[A-ZÆØÅ]+$/i,
  'de-DE': /^[A-ZÄÖÜß]+$/i,
  'el-GR': /^[Α-ω]+$/i,
  'es-ES': /^[A-ZÁÉÍÑÓÚÜ]+$/i,
  'fr-FR': /^[A-ZÀÂÆÇÉÈÊËÏÎÔŒÙÛÜŸ]+$/i,
  'it-IT': /^[A-ZÀÉÈÌÎÓÒÙ]+$/i,
  'nb-NO': /^[A-ZÆØÅ]+$/i,
  'nl-NL': /^[A-ZÁÉËÏÓÖÜÚ]+$/i,
  'nn-NO': /^[A-ZÆØÅ]+$/i,
  'hu-HU': /^[A-ZÁÉÍÓÖŐÚÜŰ]+$/i,
  'pl-PL': /^[A-ZĄĆĘŚŁŃÓŻŹ]+$/i,
  'pt-PT': /^[A-ZÃÁÀÂÇÉÊÍÕÓÔÚÜ]+$/i,
  'ru-RU': /^[А-ЯЁ]+$/i,
  'sl-SI': /^[A-ZČĆĐŠŽ]+$/i,
  'sk-SK': /^[A-ZÁČĎÉÍŇÓŠŤÚÝŽĹŔĽÄÔ]+$/i,
  'sr-RS@latin': /^[A-ZČĆŽŠĐ]+$/i,
  'sr-RS': /^[А-ЯЂЈЉЊЋЏ]+$/i,
  'sv-SE': /^[A-ZÅÄÖ]+$/i,
  'tr-TR': /^[A-ZÇĞİıÖŞÜ]+$/i,
  'uk-UA': /^[А-ЩЬЮЯЄIЇҐі]+$/i,
  'ku-IQ': /^[ئابپتجچحخدرڕزژسشعغفڤقکگلڵمنوۆھەیێيطؤثآإأكضصةظذ]+$/i,
  ar: /^[ءآأؤإئابةتثجحخدذرزسشصضطظعغفقكلمنهوىيًٌٍَُِّْٰ]+$/,
  'fa-IR': /^['آابپتثجچهخدذرزژسشصضطظعغفقکگلمنوهی']+$/i
};
var alphanumeric = {
  'en-US': /^[0-9A-Z]+$/i,
  'bg-BG': /^[0-9А-Я]+$/i,
  'cs-CZ': /^[0-9A-ZÁČĎÉĚÍŇÓŘŠŤÚŮÝŽ]+$/i,
  'da-DK': /^[0-9A-ZÆØÅ]+$/i,
  'de-DE': /^[0-9A-ZÄÖÜß]+$/i,
  'el-GR': /^[0-9Α-ω]+$/i,
  'es-ES': /^[0-9A-ZÁÉÍÑÓÚÜ]+$/i,
  'fr-FR': /^[0-9A-ZÀÂÆÇÉÈÊËÏÎÔŒÙÛÜŸ]+$/i,
  'it-IT': /^[0-9A-ZÀÉÈÌÎÓÒÙ]+$/i,
  'hu-HU': /^[0-9A-ZÁÉÍÓÖŐÚÜŰ]+$/i,
  'nb-NO': /^[0-9A-ZÆØÅ]+$/i,
  'nl-NL': /^[0-9A-ZÁÉËÏÓÖÜÚ]+$/i,
  'nn-NO': /^[0-9A-ZÆØÅ]+$/i,
  'pl-PL': /^[0-9A-ZĄĆĘŚŁŃÓŻŹ]+$/i,
  'pt-PT': /^[0-9A-ZÃÁÀÂÇÉÊÍÕÓÔÚÜ]+$/i,
  'ru-RU': /^[0-9А-ЯЁ]+$/i,
  'sl-SI': /^[0-9A-ZČĆĐŠŽ]+$/i,
  'sk-SK': /^[0-9A-ZÁČĎÉÍŇÓŠŤÚÝŽĹŔĽÄÔ]+$/i,
  'sr-RS@latin': /^[0-9A-ZČĆŽŠĐ]+$/i,
  'sr-RS': /^[0-9А-ЯЂЈЉЊЋЏ]+$/i,
  'sv-SE': /^[0-9A-ZÅÄÖ]+$/i,
  'tr-TR': /^[0-9A-ZÇĞİıÖŞÜ]+$/i,
  'uk-UA': /^[0-9А-ЩЬЮЯЄIЇҐі]+$/i,
  'ku-IQ': /^[٠١٢٣٤٥٦٧٨٩0-9ئابپتجچحخدرڕزژسشعغفڤقکگلڵمنوۆھەیێيطؤثآإأكضصةظذ]+$/i,
  ar: /^[٠١٢٣٤٥٦٧٨٩0-9ءآأؤإئابةتثجحخدذرزسشصضطظعغفقكلمنهوىيًٌٍَُِّْٰ]+$/,
  'fa-IR': /^['0-9آابپتثجچهخدذرزژسشصضطظعغفقکگلمنوهی۱۲۳۴۵۶۷۸۹۰']+$/i
};
var decimal = {
  'en-US': '.',
  ar: '٫'
};
var englishLocales = ['AU', 'GB', 'HK', 'IN', 'NZ', 'ZA', 'ZM'];

for (var locale, i = 0; i < englishLocales.length; i++) {
  locale = "en-".concat(englishLocales[i]);
  alpha[locale] = alpha['en-US'];
  alphanumeric[locale] = alphanumeric['en-US'];
  decimal[locale] = decimal['en-US'];
} // Source: http://www.localeplanet.com/java/


var arabicLocales = ['AE', 'BH', 'DZ', 'EG', 'IQ', 'JO', 'KW', 'LB', 'LY', 'MA', 'QM', 'QA', 'SA', 'SD', 'SY', 'TN', 'YE'];

for (var _locale, _i = 0; _i < arabicLocales.length; _i++) {
  _locale = "ar-".concat(arabicLocales[_i]);
  alpha[_locale] = alpha.ar;
  alphanumeric[_locale] = alphanumeric.ar;
  decimal[_locale] = decimal.ar;
} // Source: https://en.wikipedia.org/wiki/Decimal_mark


var dotDecimal = ['ar-EG', 'ar-LB', 'ar-LY'];
var commaDecimal = ['bg-BG', 'cs-CZ', 'da-DK', 'de-DE', 'el-GR', 'en-ZM', 'es-ES', 'fr-FR', 'it-IT', 'ku-IQ', 'hu-HU', 'nb-NO', 'nn-NO', 'nl-NL', 'pl-PL', 'pt-PT', 'ru-RU', 'sl-SI', 'sr-RS@latin', 'sr-RS', 'sv-SE', 'tr-TR', 'uk-UA'];

for (var _i2 = 0; _i2 < dotDecimal.length; _i2++) {
  decimal[dotDecimal[_i2]] = decimal['en-US'];
}

for (var _i3 = 0; _i3 < commaDecimal.length; _i3++) {
  decimal[commaDecimal[_i3]] = ',';
}

alpha['pt-BR'] = alpha['pt-PT'];
alphanumeric['pt-BR'] = alphanumeric['pt-PT'];
decimal['pt-BR'] = decimal['pt-PT']; // see #862

alpha['pl-Pl'] = alpha['pl-PL'];
alphanumeric['pl-Pl'] = alphanumeric['pl-PL'];
decimal['pl-Pl'] = decimal['pl-PL'];

function isAlpha(str) {
  var locale = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'en-US';
  assertString(str);

  if (locale in alpha) {
    return alpha[locale].test(str);
  }

  throw new Error("Invalid locale '".concat(locale, "'"));
}
var locales = Object.keys(alpha);

function isAlphanumeric(str) {
  var locale = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'en-US';
  assertString(str);

  if (locale in alphanumeric) {
    return alphanumeric[locale].test(str);
  }

  throw new Error("Invalid locale '".concat(locale, "'"));
}
var locales$1 = Object.keys(alphanumeric);

var numeric = /^[+-]?([0-9]*[.])?[0-9]+$/;
var numericNoSymbols = /^[0-9]+$/;
function isNumeric(str, options) {
  assertString(str);

  if (options && options.no_symbols) {
    return numericNoSymbols.test(str);
  }

  return numeric.test(str);
}

var _int = /^(?:[-+]?(?:0|[1-9][0-9]*))$/;
var intLeadingZeroes = /^[-+]?[0-9]+$/;
function isInt(str, options) {
  assertString(str);
  options = options || {}; // Get the regex to use for testing, based on whether
  // leading zeroes are allowed or not.

  var regex = options.hasOwnProperty('allow_leading_zeroes') && !options.allow_leading_zeroes ? _int : intLeadingZeroes; // Check min/max/lt/gt

  var minCheckPassed = !options.hasOwnProperty('min') || str >= options.min;
  var maxCheckPassed = !options.hasOwnProperty('max') || str <= options.max;
  var ltCheckPassed = !options.hasOwnProperty('lt') || str < options.lt;
  var gtCheckPassed = !options.hasOwnProperty('gt') || str > options.gt;
  return regex.test(str) && minCheckPassed && maxCheckPassed && ltCheckPassed && gtCheckPassed;
}

function isPort(str) {
  return isInt(str, {
    min: 0,
    max: 65535
  });
}

function isLowercase(str) {
  assertString(str);
  return str === str.toLowerCase();
}

function isUppercase(str) {
  assertString(str);
  return str === str.toUpperCase();
}

/* eslint-disable no-control-regex */

var ascii = /^[\x00-\x7F]+$/;
/* eslint-enable no-control-regex */

function isAscii(str) {
  assertString(str);
  return ascii.test(str);
}

var fullWidth = /[^\u0020-\u007E\uFF61-\uFF9F\uFFA0-\uFFDC\uFFE8-\uFFEE0-9a-zA-Z]/;
function isFullWidth(str) {
  assertString(str);
  return fullWidth.test(str);
}

var halfWidth = /[\u0020-\u007E\uFF61-\uFF9F\uFFA0-\uFFDC\uFFE8-\uFFEE0-9a-zA-Z]/;
function isHalfWidth(str) {
  assertString(str);
  return halfWidth.test(str);
}

function isVariableWidth(str) {
  assertString(str);
  return fullWidth.test(str) && halfWidth.test(str);
}

/* eslint-disable no-control-regex */

var multibyte = /[^\x00-\x7F]/;
/* eslint-enable no-control-regex */

function isMultibyte(str) {
  assertString(str);
  return multibyte.test(str);
}

var surrogatePair = /[\uD800-\uDBFF][\uDC00-\uDFFF]/;
function isSurrogatePair(str) {
  assertString(str);
  return surrogatePair.test(str);
}

function isFloat(str, options) {
  assertString(str);
  options = options || {};

  var _float = new RegExp("^(?:[-+])?(?:[0-9]+)?(?:\\".concat(options.locale ? decimal[options.locale] : '.', "[0-9]*)?(?:[eE][\\+\\-]?(?:[0-9]+))?$"));

  if (str === '' || str === '.' || str === '-' || str === '+') {
    return false;
  }

  var value = parseFloat(str.replace(',', '.'));
  return _float.test(str) && (!options.hasOwnProperty('min') || value >= options.min) && (!options.hasOwnProperty('max') || value <= options.max) && (!options.hasOwnProperty('lt') || value < options.lt) && (!options.hasOwnProperty('gt') || value > options.gt);
}
var locales$2 = Object.keys(decimal);

var includes = function includes(arr, val) {
  return arr.some(function (arrVal) {
    return val === arrVal;
  });
};

function decimalRegExp(options) {
  var regExp = new RegExp("^[-+]?([0-9]+)?(\\".concat(decimal[options.locale], "[0-9]{").concat(options.decimal_digits, "})").concat(options.force_decimal ? '' : '?', "$"));
  return regExp;
}

var default_decimal_options = {
  force_decimal: false,
  decimal_digits: '1,',
  locale: 'en-US'
};
var blacklist = ['', '-', '+'];
function isDecimal(str, options) {
  assertString(str);
  options = merge(options, default_decimal_options);

  if (options.locale in decimal) {
    return !includes(blacklist, str.replace(/ /g, '')) && decimalRegExp(options).test(str);
  }

  throw new Error("Invalid locale '".concat(options.locale, "'"));
}

var hexadecimal = /^[0-9A-F]+$/i;
function isHexadecimal(str) {
  assertString(str);
  return hexadecimal.test(str);
}

function isDivisibleBy(str, num) {
  assertString(str);
  return toFloat(str) % parseInt(num, 10) === 0;
}

var hexcolor = /^#?([0-9A-F]{3}|[0-9A-F]{6})$/i;
function isHexColor(str) {
  assertString(str);
  return hexcolor.test(str);
}

var isrc = /^[A-Z]{2}[0-9A-Z]{3}\d{2}\d{5}$/;
function isISRC(str) {
  assertString(str);
  return isrc.test(str);
}

var isBICReg = /^[A-z]{4}[A-z]{2}\w{2}(\w{3})?$/;
function isBIC(str) {
  assertString(str);
  return isBICReg.test(str);
}

var md5 = /^[a-f0-9]{32}$/;
function isMD5(str) {
  assertString(str);
  return md5.test(str);
}

var lengths = {
  md5: 32,
  md4: 32,
  sha1: 40,
  sha256: 64,
  sha384: 96,
  sha512: 128,
  ripemd128: 32,
  ripemd160: 40,
  tiger128: 32,
  tiger160: 40,
  tiger192: 48,
  crc32: 8,
  crc32b: 8
};
function isHash(str, algorithm) {
  assertString(str);
  var hash = new RegExp("^[a-fA-F0-9]{".concat(lengths[algorithm], "}$"));
  return hash.test(str);
}

var jwt = /^([A-Za-z0-9\-_~+\/]+[=]{0,2})\.([A-Za-z0-9\-_~+\/]+[=]{0,2})(?:\.([A-Za-z0-9\-_~+\/]+[=]{0,2}))?$/;
function isJWT(str) {
  assertString(str);
  return jwt.test(str);
}

function isJSON(str) {
  assertString(str);

  try {
    var obj = JSON.parse(str);
    return !!obj && _typeof(obj) === 'object';
  } catch (e) {
    /* ignore */
  }

  return false;
}

var default_is_empty_options = {
  ignore_whitespace: false
};
function isEmpty(str, options) {
  assertString(str);
  options = merge(options, default_is_empty_options);
  return (options.ignore_whitespace ? str.trim().length : str.length) === 0;
}

/* eslint-disable prefer-rest-params */

function isLength(str, options) {
  assertString(str);
  var min;
  var max;

  if (_typeof(options) === 'object') {
    min = options.min || 0;
    max = options.max;
  } else {
    // backwards compatibility: isLength(str, min [, max])
    min = arguments[1] || 0;
    max = arguments[2];
  }

  var surrogatePairs = str.match(/[\uD800-\uDBFF][\uDC00-\uDFFF]/g) || [];
  var len = str.length - surrogatePairs.length;
  return len >= min && (typeof max === 'undefined' || len <= max);
}

var uuid = {
  3: /^[0-9A-F]{8}-[0-9A-F]{4}-3[0-9A-F]{3}-[0-9A-F]{4}-[0-9A-F]{12}$/i,
  4: /^[0-9A-F]{8}-[0-9A-F]{4}-4[0-9A-F]{3}-[89AB][0-9A-F]{3}-[0-9A-F]{12}$/i,
  5: /^[0-9A-F]{8}-[0-9A-F]{4}-5[0-9A-F]{3}-[89AB][0-9A-F]{3}-[0-9A-F]{12}$/i,
  all: /^[0-9A-F]{8}-[0-9A-F]{4}-[0-9A-F]{4}-[0-9A-F]{4}-[0-9A-F]{12}$/i
};
function isUUID(str) {
  var version = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'all';
  assertString(str);
  var pattern = uuid[version];
  return pattern && pattern.test(str);
}

function isMongoId(str) {
  assertString(str);
  return isHexadecimal(str) && str.length === 24;
}

function isAfter(str) {
  var date = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : String(new Date());
  assertString(str);
  var comparison = toDate(date);
  var original = toDate(str);
  return !!(original && comparison && original > comparison);
}

function isBefore(str) {
  var date = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : String(new Date());
  assertString(str);
  var comparison = toDate(date);
  var original = toDate(str);
  return !!(original && comparison && original < comparison);
}

function isIn(str, options) {
  assertString(str);
  var i;

  if (Object.prototype.toString.call(options) === '[object Array]') {
    var array = [];

    for (i in options) {
      // https://github.com/gotwarlost/istanbul/blob/master/ignoring-code-for-coverage.md#ignoring-code-for-coverage-purposes
      // istanbul ignore else
      if ({}.hasOwnProperty.call(options, i)) {
        array[i] = toString$1(options[i]);
      }
    }

    return array.indexOf(str) >= 0;
  } else if (_typeof(options) === 'object') {
    return options.hasOwnProperty(str);
  } else if (options && typeof options.indexOf === 'function') {
    return options.indexOf(str) >= 0;
  }

  return false;
}

/* eslint-disable max-len */

var creditCard = /^(?:4[0-9]{12}(?:[0-9]{3})?|5[1-5][0-9]{14}|(222[1-9]|22[3-9][0-9]|2[3-6][0-9]{2}|27[01][0-9]|2720)[0-9]{12}|6(?:011|5[0-9][0-9])[0-9]{12}|3[47][0-9]{13}|3(?:0[0-5]|[68][0-9])[0-9]{11}|(?:2131|1800|35\d{3})\d{11}|6[27][0-9]{14})$/;
/* eslint-enable max-len */

function isCreditCard(str) {
  assertString(str);
  var sanitized = str.replace(/[- ]+/g, '');

  if (!creditCard.test(sanitized)) {
    return false;
  }

  var sum = 0;
  var digit;
  var tmpNum;
  var shouldDouble;

  for (var i = sanitized.length - 1; i >= 0; i--) {
    digit = sanitized.substring(i, i + 1);
    tmpNum = parseInt(digit, 10);

    if (shouldDouble) {
      tmpNum *= 2;

      if (tmpNum >= 10) {
        sum += tmpNum % 10 + 1;
      } else {
        sum += tmpNum;
      }
    } else {
      sum += tmpNum;
    }

    shouldDouble = !shouldDouble;
  }

  return !!(sum % 10 === 0 ? sanitized : false);
}

var validators = {
  ES: function ES(str) {
    assertString(str);
    var DNI = /^[0-9X-Z][0-9]{7}[TRWAGMYFPDXBNJZSQVHLCKE]$/;
    var charsValue = {
      X: 0,
      Y: 1,
      Z: 2
    };
    var controlDigits = ['T', 'R', 'W', 'A', 'G', 'M', 'Y', 'F', 'P', 'D', 'X', 'B', 'N', 'J', 'Z', 'S', 'Q', 'V', 'H', 'L', 'C', 'K', 'E']; // sanitize user input

    var sanitized = str.trim().toUpperCase(); // validate the data structure

    if (!DNI.test(sanitized)) {
      return false;
    } // validate the control digit


    var number = sanitized.slice(0, -1).replace(/[X,Y,Z]/g, function (_char) {
      return charsValue[_char];
    });
    return sanitized.endsWith(controlDigits[number % 23]);
  },
  'he-IL': function heIL(str) {
    var DNI = /^\d{9}$/; // sanitize user input

    var sanitized = str.trim(); // validate the data structure

    if (!DNI.test(sanitized)) {
      return false;
    }

    var id = sanitized;
    var sum = 0,
        incNum;

    for (var i = 0; i < id.length; i++) {
      incNum = Number(id[i]) * (i % 2 + 1); // Multiply number by 1 or 2

      sum += incNum > 9 ? incNum - 9 : incNum; // Sum the digits up and add to total
    }

    return sum % 10 === 0;
  },
  'zh-TW': function zhTW(str) {
    var ALPHABET_CODES = {
      A: 10,
      B: 11,
      C: 12,
      D: 13,
      E: 14,
      F: 15,
      G: 16,
      H: 17,
      I: 34,
      J: 18,
      K: 19,
      L: 20,
      M: 21,
      N: 22,
      O: 35,
      P: 23,
      Q: 24,
      R: 25,
      S: 26,
      T: 27,
      U: 28,
      V: 29,
      W: 32,
      X: 30,
      Y: 31,
      Z: 33
    };
    var sanitized = str.trim().toUpperCase();
    if (!/^[A-Z][0-9]{9}$/.test(sanitized)) return false;
    return Array.from(sanitized).reduce(function (sum, number, index) {
      if (index === 0) {
        var code = ALPHABET_CODES[number];
        return code % 10 * 9 + Math.floor(code / 10);
      }

      if (index === 9) {
        return (10 - sum % 10 - Number(number)) % 10 === 0;
      }

      return sum + Number(number) * (9 - index);
    }, 0);
  }
};
function isIdentityCard(str, locale) {
  assertString(str);

  if (locale in validators) {
    return validators[locale](str);
  } else if (locale === 'any') {
    for (var key in validators) {
      // https://github.com/gotwarlost/istanbul/blob/master/ignoring-code-for-coverage.md#ignoring-code-for-coverage-purposes
      // istanbul ignore else
      if (validators.hasOwnProperty(key)) {
        var validator = validators[key];

        if (validator(str)) {
          return true;
        }
      }
    }

    return false;
  }

  throw new Error("Invalid locale '".concat(locale, "'"));
}

var isin = /^[A-Z]{2}[0-9A-Z]{9}[0-9]$/;
function isISIN(str) {
  assertString(str);

  if (!isin.test(str)) {
    return false;
  }

  var checksumStr = str.replace(/[A-Z]/g, function (character) {
    return parseInt(character, 36);
  });
  var sum = 0;
  var digit;
  var tmpNum;
  var shouldDouble = true;

  for (var i = checksumStr.length - 2; i >= 0; i--) {
    digit = checksumStr.substring(i, i + 1);
    tmpNum = parseInt(digit, 10);

    if (shouldDouble) {
      tmpNum *= 2;

      if (tmpNum >= 10) {
        sum += tmpNum + 1;
      } else {
        sum += tmpNum;
      }
    } else {
      sum += tmpNum;
    }

    shouldDouble = !shouldDouble;
  }

  return parseInt(str.substr(str.length - 1), 10) === (10000 - sum) % 10;
}

var isbn10Maybe = /^(?:[0-9]{9}X|[0-9]{10})$/;
var isbn13Maybe = /^(?:[0-9]{13})$/;
var factor = [1, 3];
function isISBN(str) {
  var version = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '';
  assertString(str);
  version = String(version);

  if (!version) {
    return isISBN(str, 10) || isISBN(str, 13);
  }

  var sanitized = str.replace(/[\s-]+/g, '');
  var checksum = 0;
  var i;

  if (version === '10') {
    if (!isbn10Maybe.test(sanitized)) {
      return false;
    }

    for (i = 0; i < 9; i++) {
      checksum += (i + 1) * sanitized.charAt(i);
    }

    if (sanitized.charAt(9) === 'X') {
      checksum += 10 * 10;
    } else {
      checksum += 10 * sanitized.charAt(9);
    }

    if (checksum % 11 === 0) {
      return !!sanitized;
    }
  } else if (version === '13') {
    if (!isbn13Maybe.test(sanitized)) {
      return false;
    }

    for (i = 0; i < 12; i++) {
      checksum += factor[i % 2] * sanitized.charAt(i);
    }

    if (sanitized.charAt(12) - (10 - checksum % 10) % 10 === 0) {
      return !!sanitized;
    }
  }

  return false;
}

var issn = '^\\d{4}-?\\d{3}[\\dX]$';
function isISSN(str) {
  var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
  assertString(str);
  var testIssn = issn;
  testIssn = options.require_hyphen ? testIssn.replace('?', '') : testIssn;
  testIssn = options.case_sensitive ? new RegExp(testIssn) : new RegExp(testIssn, 'i');

  if (!testIssn.test(str)) {
    return false;
  }

  var digits = str.replace('-', '').toUpperCase();
  var checksum = 0;

  for (var i = 0; i < digits.length; i++) {
    var digit = digits[i];
    checksum += (digit === 'X' ? 10 : +digit) * (8 - i);
  }

  return checksum % 11 === 0;
}

/* eslint-disable max-len */

var phones = {
  'ar-AE': /^((\+?971)|0)?5[024568]\d{7}$/,
  'ar-BH': /^(\+?973)?(3|6)\d{7}$/,
  'ar-DZ': /^(\+?213|0)(5|6|7)\d{8}$/,
  'ar-EG': /^((\+?20)|0)?1[0125]\d{8}$/,
  'ar-IQ': /^(\+?964|0)?7[0-9]\d{8}$/,
  'ar-JO': /^(\+?962|0)?7[789]\d{7}$/,
  'ar-KW': /^(\+?965)[569]\d{7}$/,
  'ar-SA': /^(!?(\+?966)|0)?5\d{8}$/,
  'ar-SY': /^(!?(\+?963)|0)?9\d{8}$/,
  'ar-TN': /^(\+?216)?[2459]\d{7}$/,
  'be-BY': /^(\+?375)?(24|25|29|33|44)\d{7}$/,
  'bg-BG': /^(\+?359|0)?8[789]\d{7}$/,
  'bn-BD': /^(\+?880|0)1[1356789][0-9]{8}$/,
  'cs-CZ': /^(\+?420)? ?[1-9][0-9]{2} ?[0-9]{3} ?[0-9]{3}$/,
  'da-DK': /^(\+?45)?\s?\d{2}\s?\d{2}\s?\d{2}\s?\d{2}$/,
  'de-DE': /^(\+49)?0?1(5[0-25-9]\d|6([23]|0\d?)|7([0-57-9]|6\d))\d{7}$/,
  'de-AT': /^(\+43|0)\d{1,4}\d{3,12}$/,
  'el-GR': /^(\+?30|0)?(69\d{8})$/,
  'en-AU': /^(\+?61|0)4\d{8}$/,
  'en-GB': /^(\+?44|0)7\d{9}$/,
  'en-GG': /^(\+?44|0)1481\d{6}$/,
  'en-GH': /^(\+233|0)(20|50|24|54|27|57|26|56|23|28)\d{7}$/,
  'en-HK': /^(\+?852\-?)?[456789]\d{3}\-?\d{4}$/,
  'en-IE': /^(\+?353|0)8[356789]\d{7}$/,
  'en-IN': /^(\+?91|0)?[6789]\d{9}$/,
  'en-KE': /^(\+?254|0)(7|1)\d{8}$/,
  'en-MT': /^(\+?356|0)?(99|79|77|21|27|22|25)[0-9]{6}$/,
  'en-MU': /^(\+?230|0)?\d{8}$/,
  'en-NG': /^(\+?234|0)?[789]\d{9}$/,
  'en-NZ': /^(\+?64|0)[28]\d{7,9}$/,
  'en-PK': /^((\+92)|(0092))-{0,1}\d{3}-{0,1}\d{7}$|^\d{11}$|^\d{4}-\d{7}$/,
  'en-RW': /^(\+?250|0)?[7]\d{8}$/,
  'en-SG': /^(\+65)?[89]\d{7}$/,
  'en-TZ': /^(\+?255|0)?[67]\d{8}$/,
  'en-UG': /^(\+?256|0)?[7]\d{8}$/,
  'en-US': /^((\+1|1)?( |-)?)?(\([2-9][0-9]{2}\)|[2-9][0-9]{2})( |-)?([2-9][0-9]{2}( |-)?[0-9]{4})$/,
  'en-ZA': /^(\+?27|0)\d{9}$/,
  'en-ZM': /^(\+?26)?09[567]\d{7}$/,
  'es-CL': /^(\+?56|0)[2-9]\d{1}\d{7}$/,
  'es-ES': /^(\+?34)?(6\d{1}|7[1234])\d{7}$/,
  'es-MX': /^(\+?52)?(1|01)?\d{10,11}$/,
  'es-PY': /^(\+?595|0)9[9876]\d{7}$/,
  'es-UY': /^(\+598|0)9[1-9][\d]{6}$/,
  'et-EE': /^(\+?372)?\s?(5|8[1-4])\s?([0-9]\s?){6,7}$/,
  'fa-IR': /^(\+?98[\-\s]?|0)9[0-39]\d[\-\s]?\d{3}[\-\s]?\d{4}$/,
  'fi-FI': /^(\+?358|0)\s?(4(0|1|2|4|5|6)?|50)\s?(\d\s?){4,8}\d$/,
  'fj-FJ': /^(\+?679)?\s?\d{3}\s?\d{4}$/,
  'fo-FO': /^(\+?298)?\s?\d{2}\s?\d{2}\s?\d{2}$/,
  'fa-IR': /^(\+?98[\-\s]?|0)9[0-39]\d[\-\s]?\d{3}[\-\s]?\d{4}$/,
  'fr-FR': /^(\+?33|0)[67]\d{8}$/,
  'fr-GF': /^(\+?594|0|00594)[67]\d{8}$/,
  'fr-GP': /^(\+?590|0|00590)[67]\d{8}$/,
  'fr-MQ': /^(\+?596|0|00596)[67]\d{8}$/,
  'fr-RE': /^(\+?262|0|00262)[67]\d{8}$/,
  'he-IL': /^(\+972|0)([23489]|5[012345689]|77)[1-9]\d{6}$/,
  'hu-HU': /^(\+?36)(20|30|70)\d{7}$/,
  'id-ID': /^(\+?62|0)8(1[123456789]|2[1238]|3[1238]|5[12356789]|7[78]|9[56789]|8[123456789])([\s?|\d]{5,11})$/,
  'it-IT': /^(\+?39)?\s?3\d{2} ?\d{6,7}$/,
  'ja-JP': /^(\+?81|0)[6789]0[ \-]?\d{4}[ \-]?\d{4}$/,
  'kk-KZ': /^(\+?7|8)?7\d{9}$/,
  'kl-GL': /^(\+?299)?\s?\d{2}\s?\d{2}\s?\d{2}$/,
  'ko-KR': /^((\+?82)[ \-]?)?0?1([0|1|6|7|8|9]{1})[ \-]?\d{3,4}[ \-]?\d{4}$/,
  'lt-LT': /^(\+370|8)\d{8}$/,
  'ms-MY': /^(\+?6?01){1}(([0145]{1}(\-|\s)?\d{7,8})|([236789]{1}(\s|\-)?\d{7}))$/,
  'nb-NO': /^(\+?47)?[49]\d{7}$/,
  'nl-BE': /^(\+?32|0)4?\d{8}$/,
  'nl-NL': /^(\+?31|0)6?\d{8}$/,
  'nn-NO': /^(\+?47)?[49]\d{7}$/,
  'pl-PL': /^(\+?48)? ?[5-8]\d ?\d{3} ?\d{2} ?\d{2}$/,
  'pt-BR': /(?=^(\+?5{2}\-?|0)[1-9]{2}\-?\d{4}\-?\d{4}$)(^(\+?5{2}\-?|0)[1-9]{2}\-?[6-9]{1}\d{3}\-?\d{4}$)|(^(\+?5{2}\-?|0)[1-9]{2}\-?9[6-9]{1}\d{3}\-?\d{4}$)/,
  'pt-PT': /^(\+?351)?9[1236]\d{7}$/,
  'ro-RO': /^(\+?4?0)\s?7\d{2}(\/|\s|\.|\-)?\d{3}(\s|\.|\-)?\d{3}$/,
  'ru-RU': /^(\+?7|8)?9\d{9}$/,
  'sl-SI': /^(\+386\s?|0)(\d{1}\s?\d{3}\s?\d{2}\s?\d{2}|\d{2}\s?\d{3}\s?\d{3})$/,
  'sk-SK': /^(\+?421)? ?[1-9][0-9]{2} ?[0-9]{3} ?[0-9]{3}$/,
  'sr-RS': /^(\+3816|06)[- \d]{5,9}$/,
  'sv-SE': /^(\+?46|0)[\s\-]?7[\s\-]?[02369]([\s\-]?\d){7}$/,
  'th-TH': /^(\+66|66|0)\d{9}$/,
  'tr-TR': /^(\+?90|0)?5\d{9}$/,
  'uk-UA': /^(\+?38|8)?0\d{9}$/,
  'vi-VN': /^(\+?84|0)((3([2-9]))|(5([2689]))|(7([0|6-9]))|(8([1-6|89]))|(9([0-9])))([0-9]{7})$/,
  'zh-CN': /^((\+|00)86)?1([358][0-9]|4[579]|6[67]|7[0135678]|9[189])[0-9]{8}$/,
  'zh-TW': /^(\+?886\-?|0)?9\d{8}$/
};
/* eslint-enable max-len */
// aliases

phones['en-CA'] = phones['en-US'];
phones['fr-BE'] = phones['nl-BE'];
phones['zh-HK'] = phones['en-HK'];
function isMobilePhone(str, locale, options) {
  assertString(str);

  if (options && options.strictMode && !str.startsWith('+')) {
    return false;
  }

  if (Array.isArray(locale)) {
    return locale.some(function (key) {
      // https://github.com/gotwarlost/istanbul/blob/master/ignoring-code-for-coverage.md#ignoring-code-for-coverage-purposes
      // istanbul ignore else
      if (phones.hasOwnProperty(key)) {
        var phone = phones[key];

        if (phone.test(str)) {
          return true;
        }
      }

      return false;
    });
  } else if (locale in phones) {
    return phones[locale].test(str); // alias falsey locale as 'any'
  } else if (!locale || locale === 'any') {
    for (var key in phones) {
      // istanbul ignore else
      if (phones.hasOwnProperty(key)) {
        var phone = phones[key];

        if (phone.test(str)) {
          return true;
        }
      }
    }

    return false;
  }

  throw new Error("Invalid locale '".concat(locale, "'"));
}
var locales$3 = Object.keys(phones);

function currencyRegex(options) {
  var decimal_digits = "\\d{".concat(options.digits_after_decimal[0], "}");
  options.digits_after_decimal.forEach(function (digit, index) {
    if (index !== 0) decimal_digits = "".concat(decimal_digits, "|\\d{").concat(digit, "}");
  });
  var symbol = "(\\".concat(options.symbol.replace(/\./g, '\\.'), ")").concat(options.require_symbol ? '' : '?'),
      negative = '-?',
      whole_dollar_amount_without_sep = '[1-9]\\d*',
      whole_dollar_amount_with_sep = "[1-9]\\d{0,2}(\\".concat(options.thousands_separator, "\\d{3})*"),
      valid_whole_dollar_amounts = ['0', whole_dollar_amount_without_sep, whole_dollar_amount_with_sep],
      whole_dollar_amount = "(".concat(valid_whole_dollar_amounts.join('|'), ")?"),
      decimal_amount = "(\\".concat(options.decimal_separator, "(").concat(decimal_digits, "))").concat(options.require_decimal ? '' : '?');
  var pattern = whole_dollar_amount + (options.allow_decimal || options.require_decimal ? decimal_amount : ''); // default is negative sign before symbol, but there are two other options (besides parens)

  if (options.allow_negatives && !options.parens_for_negatives) {
    if (options.negative_sign_after_digits) {
      pattern += negative;
    } else if (options.negative_sign_before_digits) {
      pattern = negative + pattern;
    }
  } // South African Rand, for example, uses R 123 (space) and R-123 (no space)


  if (options.allow_negative_sign_placeholder) {
    pattern = "( (?!\\-))?".concat(pattern);
  } else if (options.allow_space_after_symbol) {
    pattern = " ?".concat(pattern);
  } else if (options.allow_space_after_digits) {
    pattern += '( (?!$))?';
  }

  if (options.symbol_after_digits) {
    pattern += symbol;
  } else {
    pattern = symbol + pattern;
  }

  if (options.allow_negatives) {
    if (options.parens_for_negatives) {
      pattern = "(\\(".concat(pattern, "\\)|").concat(pattern, ")");
    } else if (!(options.negative_sign_before_digits || options.negative_sign_after_digits)) {
      pattern = negative + pattern;
    }
  } // ensure there's a dollar and/or decimal amount, and that
  // it doesn't start with a space or a negative sign followed by a space


  return new RegExp("^(?!-? )(?=.*\\d)".concat(pattern, "$"));
}

var default_currency_options = {
  symbol: '$',
  require_symbol: false,
  allow_space_after_symbol: false,
  symbol_after_digits: false,
  allow_negatives: true,
  parens_for_negatives: false,
  negative_sign_before_digits: false,
  negative_sign_after_digits: false,
  allow_negative_sign_placeholder: false,
  thousands_separator: ',',
  decimal_separator: '.',
  allow_decimal: true,
  require_decimal: false,
  digits_after_decimal: [2],
  allow_space_after_digits: false
};
function isCurrency(str, options) {
  assertString(str);
  options = merge(options, default_currency_options);
  return currencyRegex(options).test(str);
}

/* eslint-disable max-len */
// from http://goo.gl/0ejHHW

var iso8601 = /^([\+-]?\d{4}(?!\d{2}\b))((-?)((0[1-9]|1[0-2])(\3([12]\d|0[1-9]|3[01]))?|W([0-4]\d|5[0-3])(-?[1-7])?|(00[1-9]|0[1-9]\d|[12]\d{2}|3([0-5]\d|6[1-6])))([T\s]((([01]\d|2[0-3])((:?)[0-5]\d)?|24:?00)([\.,]\d+(?!:))?)?(\17[0-5]\d([\.,]\d+)?)?([zZ]|([\+-])([01]\d|2[0-3]):?([0-5]\d)?)?)?)?$/;
/* eslint-enable max-len */

var isValidDate = function isValidDate(str) {
  // str must have passed the ISO8601 check
  // this check is meant to catch invalid dates
  // like 2009-02-31
  // first check for ordinal dates
  var ordinalMatch = str.match(/^(\d{4})-?(\d{3})([ T]{1}\.*|$)/);

  if (ordinalMatch) {
    var oYear = Number(ordinalMatch[1]);
    var oDay = Number(ordinalMatch[2]); // if is leap year

    if (oYear % 4 === 0 && oYear % 100 !== 0 || oYear % 400 === 0) return oDay <= 366;
    return oDay <= 365;
  }

  var match = str.match(/(\d{4})-?(\d{0,2})-?(\d*)/).map(Number);
  var year = match[1];
  var month = match[2];
  var day = match[3];
  var monthString = month ? "0".concat(month).slice(-2) : month;
  var dayString = day ? "0".concat(day).slice(-2) : day; // create a date object and compare

  var d = new Date("".concat(year, "-").concat(monthString || '01', "-").concat(dayString || '01'));

  if (month && day) {
    return d.getUTCFullYear() === year && d.getUTCMonth() + 1 === month && d.getUTCDate() === day;
  }

  return true;
};

function isISO8601(str, options) {
  assertString(str);
  var check = iso8601.test(str);
  if (!options) return check;
  if (check && options.strict) return isValidDate(str);
  return check;
}

/* Based on https://tools.ietf.org/html/rfc3339#section-5.6 */

var dateFullYear = /[0-9]{4}/;
var dateMonth = /(0[1-9]|1[0-2])/;
var dateMDay = /([12]\d|0[1-9]|3[01])/;
var timeHour = /([01][0-9]|2[0-3])/;
var timeMinute = /[0-5][0-9]/;
var timeSecond = /([0-5][0-9]|60)/;
var timeSecFrac = /(\.[0-9]+)?/;
var timeNumOffset = new RegExp("[-+]".concat(timeHour.source, ":").concat(timeMinute.source));
var timeOffset = new RegExp("([zZ]|".concat(timeNumOffset.source, ")"));
var partialTime = new RegExp("".concat(timeHour.source, ":").concat(timeMinute.source, ":").concat(timeSecond.source).concat(timeSecFrac.source));
var fullDate = new RegExp("".concat(dateFullYear.source, "-").concat(dateMonth.source, "-").concat(dateMDay.source));
var fullTime = new RegExp("".concat(partialTime.source).concat(timeOffset.source));
var rfc3339 = new RegExp("".concat(fullDate.source, "[ tT]").concat(fullTime.source));
function isRFC3339(str) {
  assertString(str);
  return rfc3339.test(str);
}

var validISO31661Alpha2CountriesCodes = ['AD', 'AE', 'AF', 'AG', 'AI', 'AL', 'AM', 'AO', 'AQ', 'AR', 'AS', 'AT', 'AU', 'AW', 'AX', 'AZ', 'BA', 'BB', 'BD', 'BE', 'BF', 'BG', 'BH', 'BI', 'BJ', 'BL', 'BM', 'BN', 'BO', 'BQ', 'BR', 'BS', 'BT', 'BV', 'BW', 'BY', 'BZ', 'CA', 'CC', 'CD', 'CF', 'CG', 'CH', 'CI', 'CK', 'CL', 'CM', 'CN', 'CO', 'CR', 'CU', 'CV', 'CW', 'CX', 'CY', 'CZ', 'DE', 'DJ', 'DK', 'DM', 'DO', 'DZ', 'EC', 'EE', 'EG', 'EH', 'ER', 'ES', 'ET', 'FI', 'FJ', 'FK', 'FM', 'FO', 'FR', 'GA', 'GB', 'GD', 'GE', 'GF', 'GG', 'GH', 'GI', 'GL', 'GM', 'GN', 'GP', 'GQ', 'GR', 'GS', 'GT', 'GU', 'GW', 'GY', 'HK', 'HM', 'HN', 'HR', 'HT', 'HU', 'ID', 'IE', 'IL', 'IM', 'IN', 'IO', 'IQ', 'IR', 'IS', 'IT', 'JE', 'JM', 'JO', 'JP', 'KE', 'KG', 'KH', 'KI', 'KM', 'KN', 'KP', 'KR', 'KW', 'KY', 'KZ', 'LA', 'LB', 'LC', 'LI', 'LK', 'LR', 'LS', 'LT', 'LU', 'LV', 'LY', 'MA', 'MC', 'MD', 'ME', 'MF', 'MG', 'MH', 'MK', 'ML', 'MM', 'MN', 'MO', 'MP', 'MQ', 'MR', 'MS', 'MT', 'MU', 'MV', 'MW', 'MX', 'MY', 'MZ', 'NA', 'NC', 'NE', 'NF', 'NG', 'NI', 'NL', 'NO', 'NP', 'NR', 'NU', 'NZ', 'OM', 'PA', 'PE', 'PF', 'PG', 'PH', 'PK', 'PL', 'PM', 'PN', 'PR', 'PS', 'PT', 'PW', 'PY', 'QA', 'RE', 'RO', 'RS', 'RU', 'RW', 'SA', 'SB', 'SC', 'SD', 'SE', 'SG', 'SH', 'SI', 'SJ', 'SK', 'SL', 'SM', 'SN', 'SO', 'SR', 'SS', 'ST', 'SV', 'SX', 'SY', 'SZ', 'TC', 'TD', 'TF', 'TG', 'TH', 'TJ', 'TK', 'TL', 'TM', 'TN', 'TO', 'TR', 'TT', 'TV', 'TW', 'TZ', 'UA', 'UG', 'UM', 'US', 'UY', 'UZ', 'VA', 'VC', 'VE', 'VG', 'VI', 'VN', 'VU', 'WF', 'WS', 'YE', 'YT', 'ZA', 'ZM', 'ZW'];
function isISO31661Alpha2(str) {
  assertString(str);
  return includes(validISO31661Alpha2CountriesCodes, str.toUpperCase());
}

var validISO31661Alpha3CountriesCodes = ['AFG', 'ALA', 'ALB', 'DZA', 'ASM', 'AND', 'AGO', 'AIA', 'ATA', 'ATG', 'ARG', 'ARM', 'ABW', 'AUS', 'AUT', 'AZE', 'BHS', 'BHR', 'BGD', 'BRB', 'BLR', 'BEL', 'BLZ', 'BEN', 'BMU', 'BTN', 'BOL', 'BES', 'BIH', 'BWA', 'BVT', 'BRA', 'IOT', 'BRN', 'BGR', 'BFA', 'BDI', 'KHM', 'CMR', 'CAN', 'CPV', 'CYM', 'CAF', 'TCD', 'CHL', 'CHN', 'CXR', 'CCK', 'COL', 'COM', 'COG', 'COD', 'COK', 'CRI', 'CIV', 'HRV', 'CUB', 'CUW', 'CYP', 'CZE', 'DNK', 'DJI', 'DMA', 'DOM', 'ECU', 'EGY', 'SLV', 'GNQ', 'ERI', 'EST', 'ETH', 'FLK', 'FRO', 'FJI', 'FIN', 'FRA', 'GUF', 'PYF', 'ATF', 'GAB', 'GMB', 'GEO', 'DEU', 'GHA', 'GIB', 'GRC', 'GRL', 'GRD', 'GLP', 'GUM', 'GTM', 'GGY', 'GIN', 'GNB', 'GUY', 'HTI', 'HMD', 'VAT', 'HND', 'HKG', 'HUN', 'ISL', 'IND', 'IDN', 'IRN', 'IRQ', 'IRL', 'IMN', 'ISR', 'ITA', 'JAM', 'JPN', 'JEY', 'JOR', 'KAZ', 'KEN', 'KIR', 'PRK', 'KOR', 'KWT', 'KGZ', 'LAO', 'LVA', 'LBN', 'LSO', 'LBR', 'LBY', 'LIE', 'LTU', 'LUX', 'MAC', 'MKD', 'MDG', 'MWI', 'MYS', 'MDV', 'MLI', 'MLT', 'MHL', 'MTQ', 'MRT', 'MUS', 'MYT', 'MEX', 'FSM', 'MDA', 'MCO', 'MNG', 'MNE', 'MSR', 'MAR', 'MOZ', 'MMR', 'NAM', 'NRU', 'NPL', 'NLD', 'NCL', 'NZL', 'NIC', 'NER', 'NGA', 'NIU', 'NFK', 'MNP', 'NOR', 'OMN', 'PAK', 'PLW', 'PSE', 'PAN', 'PNG', 'PRY', 'PER', 'PHL', 'PCN', 'POL', 'PRT', 'PRI', 'QAT', 'REU', 'ROU', 'RUS', 'RWA', 'BLM', 'SHN', 'KNA', 'LCA', 'MAF', 'SPM', 'VCT', 'WSM', 'SMR', 'STP', 'SAU', 'SEN', 'SRB', 'SYC', 'SLE', 'SGP', 'SXM', 'SVK', 'SVN', 'SLB', 'SOM', 'ZAF', 'SGS', 'SSD', 'ESP', 'LKA', 'SDN', 'SUR', 'SJM', 'SWZ', 'SWE', 'CHE', 'SYR', 'TWN', 'TJK', 'TZA', 'THA', 'TLS', 'TGO', 'TKL', 'TON', 'TTO', 'TUN', 'TUR', 'TKM', 'TCA', 'TUV', 'UGA', 'UKR', 'ARE', 'GBR', 'USA', 'UMI', 'URY', 'UZB', 'VUT', 'VEN', 'VNM', 'VGB', 'VIR', 'WLF', 'ESH', 'YEM', 'ZMB', 'ZWE'];
function isISO31661Alpha3(str) {
  assertString(str);
  return includes(validISO31661Alpha3CountriesCodes, str.toUpperCase());
}

var base32 = /^[A-Z2-7]+=*$/;
function isBase32(str) {
  assertString(str);
  var len = str.length;

  if (len > 0 && len % 8 === 0 && base32.test(str)) {
    return true;
  }

  return false;
}

var notBase64 = /[^A-Z0-9+\/=]/i;
function isBase64(str) {
  assertString(str);
  var len = str.length;

  if (!len || len % 4 !== 0 || notBase64.test(str)) {
    return false;
  }

  var firstPaddingChar = str.indexOf('=');
  return firstPaddingChar === -1 || firstPaddingChar === len - 1 || firstPaddingChar === len - 2 && str[len - 1] === '=';
}

var validMediaType = /^[a-z]+\/[a-z0-9\-\+]+$/i;
var validAttribute = /^[a-z\-]+=[a-z0-9\-]+$/i;
var validData = /^[a-z0-9!\$&'\(\)\*\+,;=\-\._~:@\/\?%\s]*$/i;
function isDataURI(str) {
  assertString(str);
  var data = str.split(',');

  if (data.length < 2) {
    return false;
  }

  var attributes = data.shift().trim().split(';');
  var schemeAndMediaType = attributes.shift();

  if (schemeAndMediaType.substr(0, 5) !== 'data:') {
    return false;
  }

  var mediaType = schemeAndMediaType.substr(5);

  if (mediaType !== '' && !validMediaType.test(mediaType)) {
    return false;
  }

  for (var i = 0; i < attributes.length; i++) {
    if (i === attributes.length - 1 && attributes[i].toLowerCase() === 'base64') {// ok
    } else if (!validAttribute.test(attributes[i])) {
      return false;
    }
  }

  for (var _i = 0; _i < data.length; _i++) {
    if (!validData.test(data[_i])) {
      return false;
    }
  }

  return true;
}

var magnetURI = /^magnet:\?xt=urn:[a-z0-9]+:[a-z0-9]{32,40}&dn=.+&tr=.+$/i;
function isMagnetURI(url) {
  assertString(url);
  return magnetURI.test(url.trim());
}

/*
  Checks if the provided string matches to a correct Media type format (MIME type)

  This function only checks is the string format follows the
  etablished rules by the according RFC specifications.
  This function supports 'charset' in textual media types
  (https://tools.ietf.org/html/rfc6657).

  This function does not check against all the media types listed
  by the IANA (https://www.iana.org/assignments/media-types/media-types.xhtml)
  because of lightness purposes : it would require to include
  all these MIME types in this librairy, which would weigh it
  significantly. This kind of effort maybe is not worth for the use that
  this function has in this entire librairy.

  More informations in the RFC specifications :
  - https://tools.ietf.org/html/rfc2045
  - https://tools.ietf.org/html/rfc2046
  - https://tools.ietf.org/html/rfc7231#section-3.1.1.1
  - https://tools.ietf.org/html/rfc7231#section-3.1.1.5
*/
// Match simple MIME types
// NB :
//   Subtype length must not exceed 100 characters.
//   This rule does not comply to the RFC specs (what is the max length ?).

var mimeTypeSimple = /^(application|audio|font|image|message|model|multipart|text|video)\/[a-zA-Z0-9\.\-\+]{1,100}$/i; // eslint-disable-line max-len
// Handle "charset" in "text/*"

var mimeTypeText = /^text\/[a-zA-Z0-9\.\-\+]{1,100};\s?charset=("[a-zA-Z0-9\.\-\+\s]{0,70}"|[a-zA-Z0-9\.\-\+]{0,70})(\s?\([a-zA-Z0-9\.\-\+\s]{1,20}\))?$/i; // eslint-disable-line max-len
// Handle "boundary" in "multipart/*"

var mimeTypeMultipart = /^multipart\/[a-zA-Z0-9\.\-\+]{1,100}(;\s?(boundary|charset)=("[a-zA-Z0-9\.\-\+\s]{0,70}"|[a-zA-Z0-9\.\-\+]{0,70})(\s?\([a-zA-Z0-9\.\-\+\s]{1,20}\))?){0,2}$/i; // eslint-disable-line max-len

function isMimeType(str) {
  assertString(str);
  return mimeTypeSimple.test(str) || mimeTypeText.test(str) || mimeTypeMultipart.test(str);
}

var lat = /^\(?[+-]?(90(\.0+)?|[1-8]?\d(\.\d+)?)$/;
var _long = /^\s?[+-]?(180(\.0+)?|1[0-7]\d(\.\d+)?|\d{1,2}(\.\d+)?)\)?$/;
var isLatLong = function (str) {
  assertString(str);
  if (!str.includes(',')) return false;
  var pair = str.split(',');
  if (pair[0].startsWith('(') && !pair[1].endsWith(')') || pair[1].endsWith(')') && !pair[0].startsWith('(')) return false;
  return lat.test(pair[0]) && _long.test(pair[1]);
};

var threeDigit = /^\d{3}$/;
var fourDigit = /^\d{4}$/;
var fiveDigit = /^\d{5}$/;
var sixDigit = /^\d{6}$/;
var patterns = {
  AD: /^AD\d{3}$/,
  AT: fourDigit,
  AU: fourDigit,
  BE: fourDigit,
  BG: fourDigit,
  BR: /^\d{5}-\d{3}$/,
  CA: /^[ABCEGHJKLMNPRSTVXY]\d[ABCEGHJ-NPRSTV-Z][\s\-]?\d[ABCEGHJ-NPRSTV-Z]\d$/i,
  CH: fourDigit,
  CZ: /^\d{3}\s?\d{2}$/,
  DE: fiveDigit,
  DK: fourDigit,
  DZ: fiveDigit,
  EE: fiveDigit,
  ES: fiveDigit,
  FI: fiveDigit,
  FR: /^\d{2}\s?\d{3}$/,
  GB: /^(gir\s?0aa|[a-z]{1,2}\d[\da-z]?\s?(\d[a-z]{2})?)$/i,
  GR: /^\d{3}\s?\d{2}$/,
  HR: /^([1-5]\d{4}$)/,
  HU: fourDigit,
  ID: fiveDigit,
  IE: /^[A-z]\d[\d|w]\s\w{4}$/i,
  IL: fiveDigit,
  IN: sixDigit,
  IS: threeDigit,
  IT: fiveDigit,
  JP: /^\d{3}\-\d{4}$/,
  KE: fiveDigit,
  LI: /^(948[5-9]|949[0-7])$/,
  LT: /^LT\-\d{5}$/,
  LU: fourDigit,
  LV: /^LV\-\d{4}$/,
  MX: fiveDigit,
  MT: /^[A-Za-z]{3}\s{0,1}\d{4}$/,
  NL: /^\d{4}\s?[a-z]{2}$/i,
  NO: fourDigit,
  NZ: fourDigit,
  PL: /^\d{2}\-\d{3}$/,
  PR: /^00[679]\d{2}([ -]\d{4})?$/,
  PT: /^\d{4}\-\d{3}?$/,
  RO: sixDigit,
  RU: sixDigit,
  SA: fiveDigit,
  SE: /^[1-9]\d{2}\s?\d{2}$/,
  SI: fourDigit,
  SK: /^\d{3}\s?\d{2}$/,
  TN: fourDigit,
  TW: /^\d{3}(\d{2})?$/,
  UA: fiveDigit,
  US: /^\d{5}(-\d{4})?$/,
  ZA: fourDigit,
  ZM: fiveDigit
};
var locales$4 = Object.keys(patterns);
var isPostalCode = function (str, locale) {
  assertString(str);

  if (locale in patterns) {
    return patterns[locale].test(str);
  } else if (locale === 'any') {
    for (var key in patterns) {
      // https://github.com/gotwarlost/istanbul/blob/master/ignoring-code-for-coverage.md#ignoring-code-for-coverage-purposes
      // istanbul ignore else
      if (patterns.hasOwnProperty(key)) {
        var pattern = patterns[key];

        if (pattern.test(str)) {
          return true;
        }
      }
    }

    return false;
  }

  throw new Error("Invalid locale '".concat(locale, "'"));
};

function ltrim(str, chars) {
  assertString(str); // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions#Escaping

  var pattern = chars ? new RegExp("^[".concat(chars.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'), "]+"), 'g') : /^\s+/g;
  return str.replace(pattern, '');
}

function rtrim(str, chars) {
  assertString(str); // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions#Escaping

  var pattern = chars ? new RegExp("[".concat(chars.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'), "]+$"), 'g') : /\s+$/g;
  return str.replace(pattern, '');
}

function trim(str, chars) {
  return rtrim(ltrim(str, chars), chars);
}

function escape(str) {
  assertString(str);
  return str.replace(/&/g, '&amp;').replace(/"/g, '&quot;').replace(/'/g, '&#x27;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/\//g, '&#x2F;').replace(/\\/g, '&#x5C;').replace(/`/g, '&#96;');
}

function unescape(str) {
  assertString(str);
  return str.replace(/&amp;/g, '&').replace(/&quot;/g, '"').replace(/&#x27;/g, "'").replace(/&lt;/g, '<').replace(/&gt;/g, '>').replace(/&#x2F;/g, '/').replace(/&#x5C;/g, '\\').replace(/&#96;/g, '`');
}

function blacklist$1(str, chars) {
  assertString(str);
  return str.replace(new RegExp("[".concat(chars, "]+"), 'g'), '');
}

function stripLow(str, keep_new_lines) {
  assertString(str);
  var chars = keep_new_lines ? '\\x00-\\x09\\x0B\\x0C\\x0E-\\x1F\\x7F' : '\\x00-\\x1F\\x7F';
  return blacklist$1(str, chars);
}

function whitelist(str, chars) {
  assertString(str);
  return str.replace(new RegExp("[^".concat(chars, "]+"), 'g'), '');
}

function isWhitelisted(str, chars) {
  assertString(str);

  for (var i = str.length - 1; i >= 0; i--) {
    if (chars.indexOf(str[i]) === -1) {
      return false;
    }
  }

  return true;
}

var default_normalize_email_options = {
  // The following options apply to all email addresses
  // Lowercases the local part of the email address.
  // Please note this may violate RFC 5321 as per http://stackoverflow.com/a/9808332/192024).
  // The domain is always lowercased, as per RFC 1035
  all_lowercase: true,
  // The following conversions are specific to GMail
  // Lowercases the local part of the GMail address (known to be case-insensitive)
  gmail_lowercase: true,
  // Removes dots from the local part of the email address, as that's ignored by GMail
  gmail_remove_dots: true,
  // Removes the subaddress (e.g. "+foo") from the email address
  gmail_remove_subaddress: true,
  // Conversts the googlemail.com domain to gmail.com
  gmail_convert_googlemaildotcom: true,
  // The following conversions are specific to Outlook.com / Windows Live / Hotmail
  // Lowercases the local part of the Outlook.com address (known to be case-insensitive)
  outlookdotcom_lowercase: true,
  // Removes the subaddress (e.g. "+foo") from the email address
  outlookdotcom_remove_subaddress: true,
  // The following conversions are specific to Yahoo
  // Lowercases the local part of the Yahoo address (known to be case-insensitive)
  yahoo_lowercase: true,
  // Removes the subaddress (e.g. "-foo") from the email address
  yahoo_remove_subaddress: true,
  // The following conversions are specific to Yandex
  // Lowercases the local part of the Yandex address (known to be case-insensitive)
  yandex_lowercase: true,
  // The following conversions are specific to iCloud
  // Lowercases the local part of the iCloud address (known to be case-insensitive)
  icloud_lowercase: true,
  // Removes the subaddress (e.g. "+foo") from the email address
  icloud_remove_subaddress: true
}; // List of domains used by iCloud

var icloud_domains = ['icloud.com', 'me.com']; // List of domains used by Outlook.com and its predecessors
// This list is likely incomplete.
// Partial reference:
// https://blogs.office.com/2013/04/17/outlook-com-gets-two-step-verification-sign-in-by-alias-and-new-international-domains/

var outlookdotcom_domains = ['hotmail.at', 'hotmail.be', 'hotmail.ca', 'hotmail.cl', 'hotmail.co.il', 'hotmail.co.nz', 'hotmail.co.th', 'hotmail.co.uk', 'hotmail.com', 'hotmail.com.ar', 'hotmail.com.au', 'hotmail.com.br', 'hotmail.com.gr', 'hotmail.com.mx', 'hotmail.com.pe', 'hotmail.com.tr', 'hotmail.com.vn', 'hotmail.cz', 'hotmail.de', 'hotmail.dk', 'hotmail.es', 'hotmail.fr', 'hotmail.hu', 'hotmail.id', 'hotmail.ie', 'hotmail.in', 'hotmail.it', 'hotmail.jp', 'hotmail.kr', 'hotmail.lv', 'hotmail.my', 'hotmail.ph', 'hotmail.pt', 'hotmail.sa', 'hotmail.sg', 'hotmail.sk', 'live.be', 'live.co.uk', 'live.com', 'live.com.ar', 'live.com.mx', 'live.de', 'live.es', 'live.eu', 'live.fr', 'live.it', 'live.nl', 'msn.com', 'outlook.at', 'outlook.be', 'outlook.cl', 'outlook.co.il', 'outlook.co.nz', 'outlook.co.th', 'outlook.com', 'outlook.com.ar', 'outlook.com.au', 'outlook.com.br', 'outlook.com.gr', 'outlook.com.pe', 'outlook.com.tr', 'outlook.com.vn', 'outlook.cz', 'outlook.de', 'outlook.dk', 'outlook.es', 'outlook.fr', 'outlook.hu', 'outlook.id', 'outlook.ie', 'outlook.in', 'outlook.it', 'outlook.jp', 'outlook.kr', 'outlook.lv', 'outlook.my', 'outlook.ph', 'outlook.pt', 'outlook.sa', 'outlook.sg', 'outlook.sk', 'passport.com']; // List of domains used by Yahoo Mail
// This list is likely incomplete

var yahoo_domains = ['rocketmail.com', 'yahoo.ca', 'yahoo.co.uk', 'yahoo.com', 'yahoo.de', 'yahoo.fr', 'yahoo.in', 'yahoo.it', 'ymail.com']; // List of domains used by yandex.ru

var yandex_domains = ['yandex.ru', 'yandex.ua', 'yandex.kz', 'yandex.com', 'yandex.by', 'ya.ru']; // replace single dots, but not multiple consecutive dots

function dotsReplacer(match) {
  if (match.length > 1) {
    return match;
  }

  return '';
}

function normalizeEmail(email, options) {
  options = merge(options, default_normalize_email_options);
  var raw_parts = email.split('@');
  var domain = raw_parts.pop();
  var user = raw_parts.join('@');
  var parts = [user, domain]; // The domain is always lowercased, as it's case-insensitive per RFC 1035

  parts[1] = parts[1].toLowerCase();

  if (parts[1] === 'gmail.com' || parts[1] === 'googlemail.com') {
    // Address is GMail
    if (options.gmail_remove_subaddress) {
      parts[0] = parts[0].split('+')[0];
    }

    if (options.gmail_remove_dots) {
      // this does not replace consecutive dots like example..email@gmail.com
      parts[0] = parts[0].replace(/\.+/g, dotsReplacer);
    }

    if (!parts[0].length) {
      return false;
    }

    if (options.all_lowercase || options.gmail_lowercase) {
      parts[0] = parts[0].toLowerCase();
    }

    parts[1] = options.gmail_convert_googlemaildotcom ? 'gmail.com' : parts[1];
  } else if (icloud_domains.indexOf(parts[1]) >= 0) {
    // Address is iCloud
    if (options.icloud_remove_subaddress) {
      parts[0] = parts[0].split('+')[0];
    }

    if (!parts[0].length) {
      return false;
    }

    if (options.all_lowercase || options.icloud_lowercase) {
      parts[0] = parts[0].toLowerCase();
    }
  } else if (outlookdotcom_domains.indexOf(parts[1]) >= 0) {
    // Address is Outlook.com
    if (options.outlookdotcom_remove_subaddress) {
      parts[0] = parts[0].split('+')[0];
    }

    if (!parts[0].length) {
      return false;
    }

    if (options.all_lowercase || options.outlookdotcom_lowercase) {
      parts[0] = parts[0].toLowerCase();
    }
  } else if (yahoo_domains.indexOf(parts[1]) >= 0) {
    // Address is Yahoo
    if (options.yahoo_remove_subaddress) {
      var components = parts[0].split('-');
      parts[0] = components.length > 1 ? components.slice(0, -1).join('-') : components[0];
    }

    if (!parts[0].length) {
      return false;
    }

    if (options.all_lowercase || options.yahoo_lowercase) {
      parts[0] = parts[0].toLowerCase();
    }
  } else if (yandex_domains.indexOf(parts[1]) >= 0) {
    if (options.all_lowercase || options.yandex_lowercase) {
      parts[0] = parts[0].toLowerCase();
    }

    parts[1] = 'yandex.ru'; // all yandex domains are equal, 1st preffered
  } else if (options.all_lowercase) {
    // Any other address
    parts[0] = parts[0].toLowerCase();
  }

  return parts.join('@');
}

var version = '11.1.0';
var validator = {
  version: version,
  toDate: toDate,
  toFloat: toFloat,
  toInt: toInt,
  toBoolean: toBoolean,
  equals: equals,
  contains: contains,
  matches: matches,
  isEmail: isEmail,
  isURL: isURL,
  isMACAddress: isMACAddress,
  isIP: isIP,
  isIPRange: isIPRange,
  isFQDN: isFQDN,
  isBoolean: isBoolean,
  isBIC: isBIC,
  isAlpha: isAlpha,
  isAlphaLocales: locales,
  isAlphanumeric: isAlphanumeric,
  isAlphanumericLocales: locales$1,
  isNumeric: isNumeric,
  isPort: isPort,
  isLowercase: isLowercase,
  isUppercase: isUppercase,
  isAscii: isAscii,
  isFullWidth: isFullWidth,
  isHalfWidth: isHalfWidth,
  isVariableWidth: isVariableWidth,
  isMultibyte: isMultibyte,
  isSurrogatePair: isSurrogatePair,
  isInt: isInt,
  isFloat: isFloat,
  isFloatLocales: locales$2,
  isDecimal: isDecimal,
  isHexadecimal: isHexadecimal,
  isDivisibleBy: isDivisibleBy,
  isHexColor: isHexColor,
  isISRC: isISRC,
  isMD5: isMD5,
  isHash: isHash,
  isJWT: isJWT,
  isJSON: isJSON,
  isEmpty: isEmpty,
  isLength: isLength,
  isByteLength: isByteLength,
  isUUID: isUUID,
  isMongoId: isMongoId,
  isAfter: isAfter,
  isBefore: isBefore,
  isIn: isIn,
  isCreditCard: isCreditCard,
  isIdentityCard: isIdentityCard,
  isISIN: isISIN,
  isISBN: isISBN,
  isISSN: isISSN,
  isMobilePhone: isMobilePhone,
  isMobilePhoneLocales: locales$3,
  isPostalCode: isPostalCode,
  isPostalCodeLocales: locales$4,
  isCurrency: isCurrency,
  isISO8601: isISO8601,
  isRFC3339: isRFC3339,
  isISO31661Alpha2: isISO31661Alpha2,
  isISO31661Alpha3: isISO31661Alpha3,
  isBase32: isBase32,
  isBase64: isBase64,
  isDataURI: isDataURI,
  isMagnetURI: isMagnetURI,
  isMimeType: isMimeType,
  isLatLong: isLatLong,
  ltrim: ltrim,
  rtrim: rtrim,
  trim: trim,
  escape: escape,
  unescape: unescape,
  stripLow: stripLow,
  whitelist: whitelist,
  blacklist: blacklist$1,
  isWhitelisted: isWhitelisted,
  normalizeEmail: normalizeEmail,
  toString: toString
};

return validator;

})));