Debuggex is described as 'Intuitive visual regular expression debugger, tester, and helper' and is an website in the development category. There are more than 25 alternatives to Debuggex, not only websites but also apps for a variety of platforms, including Windows, Mac, Linux and Self-Hosted apps. The best Debuggex alternative is regular expressions 101, which is free. Other great sites and apps similar to Debuggex are RegExr, Expresso, Wildcard and RegexMate.
Regex101 is a powerful, online regular expression tool with extensive support for multiple languages including PHP, PCRE, Python and JavaScript.
regular expressions 101 is the most popular Web-based alternative to Debuggex.
regular expressions 101 is the most popular free alternative to Debuggex.
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.
Debuggex's best feature was the visualiser. I can't find another site that has exactly that, but the RegExr explainer at the bottom of the page is a good alternative. Plus, the interface is clean, the cheatsheet is handy, and the 'Community Patterns' are helpful.
RegExr is the most popular Open Source alternative to Debuggex.
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 or web designer with an extensive knowledge of regular expressions.
Expresso is the most popular Windows alternative to Debuggex.
Wildcard is the most popular Linux alternative to Debuggex.
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.
RegexMate is the most popular Mac, iPhone & iPad alternative to Debuggex.
RegexBuddy is your perfect companion for working with regular expressions. Learning, creating, understanding, testing, using and saving regular expressions has never been easier.
RegexBuddy is the most popular commercial alternative to Debuggex.
Regex Generator is a tool to generate simple regular expressions. The goal is that people with less experience can create regex smoothly.
The only one Regular Expression tester you need, that will help you to test your regular expressions in flavors:
Regulex is an open-source, regular expression parser and visualizer. It's available online, can be embedded in other websites, or the code can be self-hosted as a JavaScript tool.
Regulex is the most popular Self-Hosted alternative to Debuggex.
.NET regular expression tester with instantaneous highlighting, code completion, and C# and VB.NET code generation.
An online JavaScript regular expression tester. Enter a regex expression and test data and determine if matches are made.
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.
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It seems that Debuggex will be unavailable after November 30th. This shows on login attempt on debuggex.com.