🔍 Regular Expressions

Extensive regex tester and debugger with highlighting for PHP, PCRE, Python and JavaScript.

RegExr.com is an online tool to learn, build, and test Regular Expressions.

Open Source

Extension for Visual Studio - A set of extensions to Visual Studio 2012 Professional (and above) which improves developer productivity.

Open Source

A ruby based regular expression editor

The award-winning Expresso editor is equally suitable as a teaching tool for the beginning user of regular expressions or as a full-featured development environment for the experienced programmer with an extensive knowledge of regular expressions.

Welcome to the fantastic world of nerdy regex fun!

RegexOne offers learning regular expressions with simple, interactive examples.

RegEx Generator is a simple-to-use application that comes with the brilliance of intuitive regex and is also helping you out to test the regex.

Open Source

regex cheatsheet for the haters

Open Source

RegexPlanet offers a free-to-use Regular Expression Test Page to help you check RegEx in Ruby free-of-cost.

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The Regex Coach is a graphical application for Windows which can be used to experiment with...

Use RegexMagic to generate complete regular expressions to your specifications by using RegexMagic's flexible patterns, instead of the cryptic regex syntax.