Regex101 is a powerful, online regular expression tool with extensive support for multiple languages including PHP, PCRE, Python and JavaScript.
Cost / License
- Free
- Proprietary
Platforms
- Online

Regex Generator is described as 'Tool to generate simple regular expressions. The goal is that people with less experience can create regex smoothly' and is an website. There are more than 10 alternatives to Regex Generator, not only websites but also apps for a variety of platforms, including Mac, Windows, Linux and Google Chrome apps. The best Regex Generator alternative is regular expressions 101, which is free. Other great sites and apps similar to Regex Generator are RegExr, RegexMate, Wildcard and RegexBuddy.
Regex101 is a powerful, online regular expression tool with extensive support for multiple languages including PHP, PCRE, Python and JavaScript.

RegExr.com is an online tool to learn, build, and test Regular Expressions. It was created by Grant Skinner and the nice people at gskinner.com.

RegexMate offers seamless regex crafting and testing on macOS and iOS. Its minimalist interface provides an instant live preview, and users can save their expressions into a library for quick reference. A comprehensive guide with tutorials is always accessible, with light and dark mode options.






RegexBuddy is your perfect companion for working with regular expressions. Learning, creating, understanding, testing, using and saving regular expressions has never been easier.



The only one Regular Expression tester you need, that will help you to test your regular expressions in flavors:


The Regulator is an advanced Regular expressions testing tool, featuring syntax highlighting and web-service integration with Regexlib.coms database of online regular expressions.

An online JavaScript regular expression tester. Enter a regex expression and test data and determine if matches are made.


RegViz is a tool for debugging JavaScript regular expressions in a visual way. Advanced highlighting helps you to understand the structure and purpose of a regular expression and to detect bugs therein.

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.
