Regular expressions mystery: "No ending delimiter '^' found"
26682
PHP regular expressions: No ending delimiter '^' found in
9141
Why does my regular expression work in X but not in Y?
1814
How do you access the matched groups in a JavaScript regular expression?
12963
What is a non-capturing group in regular expressions?
49396
Why can't Python's raw string literals end with a single backslash?
121382
Bash regular expression pattern matching spaces, within double brackets test, using "~=" operator
34297
Delimiter must not be alphanumeric or backslash and preg_match
99390
Regexp that matches valid regexps
61907
Right way to escape backslash [ \ ] in PHP regex?
1685
Why does this Java regex cause "illegal escape character" errors?
41380
How to check if a given Regex is valid?
125564
PHP regex delimiter, what's the point?
150965
RegEx expression not allowing only spaces?
10884
Tokenizing Error: java.util.regex.PatternSyntaxException, dangling metacharacter '*'
107373
Regular expression using '$' sign and '^'
42740
new Regexp doesn't work
9346
Fail of markdown parser detected if '_ 's are used in a naked URL