| Regular expressions - HaskellWiki(haskell.org) | regex |
| Library dart:core / Interface RegExp(api.dartlang.org) | regex |
| Erlang Programming Language: EEP 11 - Regular Expressions(erlang.org) | engineserlang |
| Regular Expression HOWTO — Python v2.7.2 documentation(docs.python.org) | pythonregex |
| Regular Expression Poetry & Poetics(logolalia.com) | regex |
| RegexKit | Free Development software downloads at SourceForge.net(sourceforge.net) | regex |
| C# Regular Expression Recipes at C# Online.NET(en.csharp-online.net) | regex |
| RegEx Online(regexonline.eu.pn) | testing |
| [Chapter 6] Pattern Matching(docstore.mik.ua) | perlregex |
| txt2re: headache relief for programmers(txt2re.com) | regex |
| XRegExp: JavaScript regex library(xregexp.com) | enginesjavascript |
| RegexMagic(regexmagic.com) | regex |
| parseUri 1.2: Split URLs in JavaScript(blog.stevenlevithan.com) | javascriptregex |
| Newest 'regex' Questions - Stack Overflow(stackoverflow.com) | regex |
| Regular Expression Language - Quick Reference(msdn.microsoft.com) | dotnetmicrosoftregex |
| Regular-Expressions.info(regular-expressions.info) | regex |
| Discussions - Regex | Google Groups(groups.google.com) | regex |
| Famous Perl One-Liners Explained, Part VII: Handy Regular Expressions - good coders code, great reuse(catonmat.net) | regex |
| Regex Pattern for URLs(daringfireball.net) | patterns |
| Parsing XHTML with Regexes - Amusing answer on Stack Overflow(stackoverflow.com) | fun |
| A regular expression to check for prime numbers(noulakaz.net) | fun |
| Implementing Regular Expressions(swtch.com) | links |
| Dr. Dobb's: Regular Expressions(drdobbs.com) | intro |