From e15f48539a8ba104ded23015ad7dd3a798452b25 Mon Sep 17 00:00:00 2001
From: Mestery <48163546+Mesteery@users.noreply.github.com>
Date: Sat, 26 Dec 2020 00:52:16 +0100
Subject: [PATCH 1/2] Fix regexs to support somes flags

Resolves #1646
---
 pygments/lexers/javascript.py | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/pygments/lexers/javascript.py b/pygments/lexers/javascript.py
index 52eeb0c8d4..4e9a5dd48a 100644
--- a/pygments/lexers/javascript.py
+++ b/pygments/lexers/javascript.py
@@ -53,7 +53,7 @@ class JavascriptLexer(RegexLexer):
         'slashstartsregex': [
             include('commentsandwhitespace'),
             (r'/(\\.|[^[/\\\n]|\[(\\.|[^\]\\\n])*])+/'
-             r'([gimuy]+\b|\B)', String.Regex, '#pop'),
+             r'([gimuys]+\b|\B)', String.Regex, '#pop'),
             (r'(?=/)', Text, ('#pop', 'badregex')),
             default('#pop')
         ],
@@ -160,7 +160,7 @@ class KalLexer(RegexLexer):
         'root': [
             include('commentsandwhitespace'),
             (r'/(?! )(\\.|[^[/\\\n]|\[(\\.|[^\]\\\n])*])+/'
-             r'([gim]+\b|\B)', String.Regex),
+             r'([gimuys]+\b|\B)', String.Regex),
             (r'\?|:|_(?=\n)|==?|!=|-(?!>)|[<>+*/-]=?',
              Operator),
             (r'\b(and|or|isnt|is|not|but|bitwise|mod|\^|xor|exists|'
@@ -474,7 +474,7 @@ class TypeScriptLexer(RegexLexer):
         'slashstartsregex': [
             include('commentsandwhitespace'),
             (r'/(\\.|[^[/\\\n]|\[(\\.|[^\]\\\n])*])+/'
-             r'([gim]+\b|\B)', String.Regex, '#pop'),
+             r'([gimuys]+\b|\B)', String.Regex, '#pop'),
             (r'(?=/)', Text, ('#pop', 'badregex')),
             default('#pop')
         ],
@@ -1496,7 +1496,7 @@ class JuttleLexer(RegexLexer):
         'slashstartsregex': [
             include('commentsandwhitespace'),
             (r'/(\\.|[^[/\\\n]|\[(\\.|[^\]\\\n])*])+/'
-             r'([gim]+\b|\B)', String.Regex, '#pop'),
+             r'([gimuys]+\b|\B)', String.Regex, '#pop'),
             (r'(?=/)', Text, ('#pop', 'badregex')),
             default('#pop')
         ],

From 7a5fb96235b2b64c7f3b5ba7aead938c9d4ed4ba Mon Sep 17 00:00:00 2001
From: Mestery <48163546+Mesteery@users.noreply.github.com>
Date: Sat, 26 Dec 2020 01:17:28 +0100
Subject: [PATCH 2/2] add support for LiveScript and CoffeeScript

---
 pygments/lexers/javascript.py | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/pygments/lexers/javascript.py b/pygments/lexers/javascript.py
index 4e9a5dd48a..92d6052ea5 100644
--- a/pygments/lexers/javascript.py
+++ b/pygments/lexers/javascript.py
@@ -255,7 +255,7 @@ class LiveScriptLexer(RegexLexer):
         ],
         'multilineregex': [
             include('commentsandwhitespace'),
-            (r'//([gim]+\b|\B)', String.Regex, '#pop'),
+            (r'//([gimuys]+\b|\B)', String.Regex, '#pop'),
             (r'/', String.Regex),
             (r'[^/#]+', String.Regex)
         ],
@@ -263,7 +263,7 @@ class LiveScriptLexer(RegexLexer):
             include('commentsandwhitespace'),
             (r'//', String.Regex, ('#pop', 'multilineregex')),
             (r'/(?! )(\\.|[^[/\\\n]|\[(\\.|[^\]\\\n])*])+/'
-             r'([gim]+\b|\B)', String.Regex, '#pop'),
+             r'([gimuys]+\b|\B)', String.Regex, '#pop'),
             (r'/', Operator, '#pop'),
             default('#pop'),
         ],
@@ -1054,7 +1054,7 @@ class CoffeeScriptLexer(RegexLexer):
         ],
         'multilineregex': [
             (r'[^/#]+', String.Regex),
-            (r'///([gim]+\b|\B)', String.Regex, '#pop'),
+            (r'///([gimuys]+\b|\B)', String.Regex, '#pop'),
             (r'#\{', String.Interpol, 'interpoling_string'),
             (r'[/#]', String.Regex),
         ],
@@ -1062,7 +1062,7 @@ class CoffeeScriptLexer(RegexLexer):
             include('commentsandwhitespace'),
             (r'///', String.Regex, ('#pop', 'multilineregex')),
             (r'/(?! )(\\.|[^[/\\\n]|\[(\\.|[^\]\\\n])*])+/'
-             r'([gim]+\b|\B)', String.Regex, '#pop'),
+             r'([gimuys]+\b|\B)', String.Regex, '#pop'),
             # This isn't really guarding against mishighlighting well-formed
             # code, just the ability to infinite-loop between root and
             # slashstartsregex.