RegexBuddy Alternatives

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

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

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.

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

A ruby based regular expression editor

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

Online Silverlight regular expression tester with instantaneous highlighting, C# and VB.NET code generation, code completion, regex analysis, benchmarking, and more.

regex cheatsheet for the haters

Open-source, regular expression parser and visualizer.

Debuggex is an intuitive visual regular expression debugger, tester, and helper.

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

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Regex Widget is a lightweight, easy-to-use regular expression tester released under the LGPL license.