Best Regexper Alternatives & Competitors

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

Open Source

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

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A ruby based regular expression editor

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

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

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.

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

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

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

regex cheatsheet for the haters

Open Source

Regex Regular Expression Tool is an application that serves developers and those looking to practice and learn about regular expressions.

This script allows for the testing of regular expressions for both RegExMatch() and RegExReplace().