An online JavaScript regular expression tester. Enter a regex expression and test data and determine if matches are made.
Cost / License
- Free
- Proprietary
Platforms
- Online
United States

Apps similar to iHateRegex include RegExr, which is free and open source. Other options are regular expressions 101, Expresso, RegexMate and Wildcard. You're spoiled for choice with Regular Expression Editors like iHateRegex: we list more than 25 alternatives for the web, Windows, Mac, Linux and iPhone.
An online JavaScript regular expression tester. Enter a regex expression and test data and determine if matches are made.


This script allows for the testing of regular expressions for both RegExMatch() and RegExReplace(). The results update in real time and any setting or expression errors are highlighted in red.

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Create, edit, and test RegEx Regular Expressions. Replace, format, and extract text in files using Regular Expressions. Perform GREP-like tasks, use RegEx substitutions, extract data! Supports color syntax highlighting and contextual tooltips making it easy to design patterns.




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Learn, develop and test Regular Expressions for the .NET platform. The .NET Regular Expression Designer is a free download for Windows that helps you learn, develop and test regular expressions.

What RegExpEditor is can be said easyest by telling what it is not: It is not an editor for regular expressions. Although it can be used for this purpose. Instead RegExpEditor is a text editor that allows you to alter text using regular expressions.
