From 8297da3256901495c02af5d97988d50f93f7e239 Mon Sep 17 00:00:00 2001
From: Roy <40822827+roygold7@users.noreply.github.com>
Date: Thu, 4 Oct 2018 11:41:10 +0300
Subject: [PATCH 1/5] Make URL case insensitive.

Now URL's starting with hTTp or Https will be captured by the regular expression.
---
 lib/marked.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/marked.js b/lib/marked.js
index 51c7c2ac06..4ac240e5c1 100644
--- a/lib/marked.js
+++ b/lib/marked.js
@@ -606,7 +606,7 @@ inline.pedantic = merge({}, inline.normal, {
 inline.gfm = merge({}, inline.normal, {
   escape: edit(inline.escape).replace('])', '~|])').getRegex(),
   _extended_email: /[A-Za-z0-9._+-]+(@)[a-zA-Z0-9-_]+(?:\.[a-zA-Z0-9-_]*[a-zA-Z0-9])+(?![-_])/,
-  url: /^((?:ftp|https?):\/\/|www\.)(?:[a-zA-Z0-9\-]+\.?)+[^\s<]*|^email/,
+  url: /^((?:ftp|https?):\/\/|www\.)(?:[a-zA-Z0-9\-]+\.?)+[^\s<]*|^email/i,
   _backpedal: /(?:[^?!.,:;*_~()&]+|\([^)]*\)|&(?![a-zA-Z0-9]+;$)|[?!.,:;*_~)]+(?!$))+/,
   del: /^~+(?=\S)([\s\S]*?\S)~+/,
   text: edit(inline.text)

From 8c855f3c8f9f854e5defd3348c274a87c2fb11c9 Mon Sep 17 00:00:00 2001
From: Roy <40822827+roygold7@users.noreply.github.com>
Date: Thu, 4 Oct 2018 15:02:44 +0300
Subject: [PATCH 2/5] Add case insensitive flag to rules.url

---
 lib/marked.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/marked.js b/lib/marked.js
index 4ac240e5c1..c212d81b4c 100644
--- a/lib/marked.js
+++ b/lib/marked.js
@@ -647,6 +647,7 @@ function InlineLexer(links, options) {
   } else if (this.options.gfm) {
     if (this.options.breaks) {
       this.rules = inline.breaks;
+      this.rules.url = new RegExp(this.rules.url, "i");
     } else {
       this.rules = inline.gfm;
     }

From 3725f9eba3e5fb7855246db32e821f60b45c0d63 Mon Sep 17 00:00:00 2001
From: Roy <40822827+roygold7@users.noreply.github.com>
Date: Thu, 4 Oct 2018 16:53:31 +0300
Subject: [PATCH 3/5] Fixed node legacy version

---
 lib/marked.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/marked.js b/lib/marked.js
index c212d81b4c..2d92c063e3 100644
--- a/lib/marked.js
+++ b/lib/marked.js
@@ -647,7 +647,7 @@ function InlineLexer(links, options) {
   } else if (this.options.gfm) {
     if (this.options.breaks) {
       this.rules = inline.breaks;
-      this.rules.url = new RegExp(this.rules.url, "i");
+      this.rules.url = new RegExp(this.rules.url.source, "i");
     } else {
       this.rules = inline.gfm;
     }

From 408294e8d2b0f72645013774c8c2afdb773d15b6 Mon Sep 17 00:00:00 2001
From: Roy <40822827+roygold7@users.noreply.github.com>
Date: Thu, 4 Oct 2018 19:44:25 +0300
Subject: [PATCH 4/5] Changed "i" to 'i' for linter

---
 lib/marked.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/marked.js b/lib/marked.js
index 2d92c063e3..8046be6fb7 100644
--- a/lib/marked.js
+++ b/lib/marked.js
@@ -647,7 +647,7 @@ function InlineLexer(links, options) {
   } else if (this.options.gfm) {
     if (this.options.breaks) {
       this.rules = inline.breaks;
-      this.rules.url = new RegExp(this.rules.url.source, "i");
+      this.rules.url = new RegExp(this.rules.url.source, 'i');
     } else {
       this.rules = inline.gfm;
     }

From 971304ab0a6c095fc0440a587af3ad43833dabb7 Mon Sep 17 00:00:00 2001
From: Roy <40822827+roygold7@users.noreply.github.com>
Date: Thu, 4 Oct 2018 21:02:59 +0300
Subject: [PATCH 5/5] unit test for case insensitivity

---
 test/unit/marked-spec.js | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/test/unit/marked-spec.js b/test/unit/marked-spec.js
index 97789afe09..cdb897488c 100644
--- a/test/unit/marked-spec.js
+++ b/test/unit/marked-spec.js
@@ -25,3 +25,13 @@ describe('Test paragraph token type', function () {
     expect(tokens[7].type).toBe('text');
   });
 });
+
+describe('Test url token type', function () {
+  it('should use the "url" type', function () {
+    const md = 'HtTps://www.testsite.com';
+
+    const tokens = marked.lexer(md);
+
+    expect(tokens[0].type).toBe('url');
+  });
+});