Regular Expression Usage in C# - The source code shows how to use Regular Expressions in C#. - http://www.c-sharpcorner.com/UploadFile/prasad_1/RegExpPSD12062005021717AM/RegExpPSD.aspx
VBScript Regular Expressions - Describes the improved text handling functions of version 5 of VBScript through its support for Regular Expressions. - http://authors.aspalliance.com/brettb/VBScriptRegularExpressions.asp
Regular Expressions - Describes Regular Expressions and compares them to Finite Automatas. - http://www.cs.rochester.edu/u/nelson/courses/csc_173/fa/re.html
windows.oreilly.com -- C# Regular Expressions - Brad Merrill, coauthor of O'Reilly's C# Essentials, provides an overview of how regular expressions are used in the C# environment. - http://www.windowsdevcenter.com/pub/a/oreilly/windows/news/csharp_0101.html
TCL Regular Expressions - An Introduction to Regular Expressions in the scripting language TCL. - http://www2.lib.uchicago.edu/~keith//tcl-course/topics/regexp.html
Regular Expression Builder - An open source tool written in C# to build and test regular expressions. - http://renschler.net/RegexBuilder/
Power REGex TESTER - An online tool for creating and testing regular expressions. - http://www.regextester.com/
KRegExpEditor - Manual - A Manual describing the KDE Application for editing regular expressions. - http://docs.kde.org/development/en/kdeutils/KRegExpEditor/
12 Reasons to Use Regular Expressions - An article that gives 12 reasons for learning and using Regular Expressions. - http://www.websiterepairguy.com/articles/re/12_re.html
Data mining for reguar expressions. - A tool that allows programmers to generate a working program in a variety of languages that extracts data mined regular expressions from strings. - http://www.txt2re.com/
Programmer's Heaven Regex Area - Contains a beginners regex tutorial and guides for using regexes in various languages, including Perl, Java, .Net and Javascript. Also has a web-based regex testing tool and regex library. - http://www.programmersheaven.com/2/Regex
Regular Expressions Library - A collection of regular expressions submitted by viewers. - http://www.regexlib.com/
Validating Form Input using Regular Expressions - Writing form validation code is often the most thankless part of your job. The logic can get quite complex, and often quite messy. This article will show how to use Regular Expressions to simplify your code. - http://aspzone.com/blogs/john/articles/173.aspx
PCRE Wrapper for Delphi 7 - Provides Wrapper classes that provide PCRE for Delphi. - http://www.renatomancuso.com/software/dpcre/dpcre.htm
PCRE Workbench - Graphical application for Windows which can be used to experiment with Perl-compatible regular expressions interactively. - http://www.renatomancuso.com/software/pcreworkbench/pcreworkbench.htm
RegexBuddy - Tool for creating, debug, implement and save regular expressions for Windows and Linux. [Commercial] - http://www.regexbuddy.com
Regular Expression Tester - Uses browser's JavaScript to show matches and subgroups, and highlights match in the input string. - http://www.roblocher.com/technotes/regexp.aspx
Regular expressions in Haskell - Native Haskell implementation of polymorphic regular expressions. The regexps contains most of the features found in Perl. - http://www.dcs.gla.ac.uk/~meurig/regexp/
So What's A $#!%% Regular Expression, Anyway?! - Learn how to use regular expressions and perform search and replace operations. - http://www.melonfire.com/community/columns/trog/article.php?id=2
Matchmaking with regular expressions - Shows how to use the power of regular expressions to ease text parsing and processing. - http://www.javaworld.com/javaworld/jw-07-2001/jw-0713-regex.html
Common Applications of Regular Expressions - This article by Richard Lowe demonstrates four powerful and practical applications of regular expressions. - http://www.4guysfromrolla.com/webtech/120400-1.shtml
Utilizing Regular Expression SubMatches - This article by Scott Mitchell examines some advanced features with regular expressions. - http://www.4guysfromrolla.com/webtech/043001-1.shtml
Stripping HTML Tags using Regular Expressions - This article, by Scott Mitchell examines how to strip HTML tags from a string using regular expressions. - http://www.4guysfromrolla.com/webtech/042501-1.shtml
The Regex Coach - Graphical application for Linux and Windows which can be used to experiment with (Perl-compatible) regular expressions interactively. - http://weitz.de/regex-coach/
Larger Regular Expressions - The purpose of this article is to show a few real-life examples of regular expressions at work. - http://zez.org/article/articleview/65/
JRX - A simple JavaScript real-time regular expression evaluator, similar to RX tool of Activestate's Komodo IDE. - http://www.cuneytyilmaz.com/prog/jrx/
Extreg - A script that allows to perform search-and-replace operations with extended regular expressions from unix shells. - http://www.ososo.de/extreg/
Regex Suite - Brings the power of regular expression searching and replacing to Frontier 5. [GPL] - http://old.scriptmeridian.org/projects/regex/
RegExpr for VB & VBA - Regular expression library for Visual Basic and Visual Basic for Applications. - http://www.aivosto.com/regexpr.html
Utilizing Regular Expressions - This article is a follow-up to an earlier 4Guys article "An Introduction to Regular Expression with VBScript". Regular Expression allows for complex pattern matching and replacing. - http://www.4guysfromrolla.com/webtech/031500-1.shtml
Regular Expressions explained - An article by Jan Borsodi that gives an introduction to the world of regular expressions. It explains what regular expressions are and introduces the syntax. Also provides examples with varying complexity and a list of tools which use regular expressions. - http://zez.org/article/articleview/11/
RegExplorer - A visual regular expression explorer, it allows for writing regular expressions and visually see the matches. Uses the KDE/Qt Libraries for the user interface. [QPL] - http://regexplorer.sourceforge.net/
RegEx Tester - Online regular expression tester for preg (Perl) and ereg (POSIX) formats. - http://www.quanetic.com/regex.php