Best FreeFormatter Regex Tester Alternatives & Competitors

A ruby based regular expression editor

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

Open Source

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

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

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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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.

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

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().

regex cheatsheet for the haters

Open Source

PHPLiveRegEx is a Live Regular Expression Tester for PHP that enables you to enter and check the output of regular expressions.