Resources On Regular Expressions   

Tutorials

• RegexBuddy's RegEx Tutorial

http://www.regular-expressions.info/tutorial.html

RegEx in .Net

• RegEx in .Net

http://www.regular-expressions.info/dotnet.html

• The Regulator

The Regulator is an advanced, free regular expressions testing and learning tool. (C#, Visual Basic)

http://osherove.com/tools

RegEx in Java

• General information

http://www.regular-expressions.info/java.html

• Tutorial on regular expressions as available in the java.util.regex package

http://download.oracle.com/javase/tutorial/essential/regex/

• Sun Java Docs on RegEx

http://download.oracle.com/javase/6/docs/api/java/util/regex/package-summary.html, particularly the page about the Pattern class has lots of useful information: JavaDoc:java.util.regex.Pattern

RegEx in JavaScript

• https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/regexp
• http://www.regular-expressions.info/javascript.html

RegEx and XML

• Tutorial on XML and RegEx

http://www.w3.org/TR/xmlschema-0/ - regexAppendix

Part of XML Schema Part 0: Primer

Books

• Mastering Regular Expressions by Jeffrey E. F. Friedl

Mastering Regular Expressions, 2nd Edition, Jeffrey E. F. Friedl, O'Reilly and Associates, 2002.

Chapter 8: Java is available from O'Reilly.

• Java Regular Expressions: Taming the java.util.regex Engine by Mehran (Max) Habibi

(excellent introduction and good info about specifics of J2SE 1.4 regex implementation).

RegEx Library

• RegEx Lib