Cost / License
- Free
- Proprietary
Platforms
- Online

RegEx Lab is described as 'Allows you to test regular expressions. The app highlights and underlines text to show matches and capture groups. There's also a handy cheatsheet and a results list view. It has a replace feature too' and is a regular expression editor in the development category. There are more than 25 alternatives to RegEx Lab for a variety of platforms, including Windows, Web-based, Mac, Linux and Self-Hosted apps. The best RegEx Lab alternative is regular expressions 101, which is free. Other great apps like RegEx Lab 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.




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




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.

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.




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.


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


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.

Easily test your regular expressions against a sample body of text in a native UWP app designed for Windows 10. Just type your regex and it instantly begins matching as you type. Any capture groups are automatically highlighted, and the app works completely offline.

