Cost / License
- Free
- Proprietary
Platforms
- Online

RegExp is described as 'The only one Regular Expression tester you need, that will help you to test your regular expressions in flavors:' and is a regular expression editor in the development category. There are more than 25 alternatives to RegExp for a variety of platforms, including Web-based, Windows, Mac, Linux and Self-Hosted apps. The best RegExp alternative is regular expressions 101, which is free. Other great apps like RegExp are RegExr, Regex Forge, Expresso and RegexMate.

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.




jRegExAnalyser is an interactive tool written in Java to write, test, debug, analyse and profile regular expressions. Its free and Open Source software, licensed under the terms of GPLv2 with Class Path Exception.

Expressions is a minimal, distraction-free tool for experimenting with regular expressions.




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

This software will let you design your regexps by letting you type the expression and visualize its effect on a sample of your choice.




A free environment for regular expression testing (ferret). It allows you to write regexes and test them against a sample text, providing extensive output about the results.

Search multiple strings occurrences simultaneously with the help of this piece of software that comes with support for regular expressions.


Multi String Replacer is a small and portable application that can be used to replace multiple strings at once. Its main functionality is String Swapping in which can be easily and quickly done. String swapping consists on replacing WordX with WordY and WordY with WordX.


Having trouble getting your regular expressions just right? Not sure what they match and what they leave out? Tired of having to write test programs every time? RegExhibit can help.
