Best Debuggex Alternatives & Competitors in 2025

RegExr.com is an online tool to learn, build, and test Regular Expressions.

Key RegExr features:

User-Friendly Interface Real-time Feedback Built-in Cheatsheet Community Examples

Open Source

Extensive regex tester and debugger with highlighting for PHP, PCRE, Python and JavaScript.

Key regular expressions 101 features:

Interactive Learning Extensive Documentation Error Highlighting Quick Reference

Seamless project management and collaboration for your team.

Key Hive features:

Free Trial Integrations File sharing Easy to Set-up and use

Visit website $12.0 / Monthly (Per user)

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 with an extensive knowledge of regular expressions.

Key Expresso features:

User-Friendly Interface Comprehensive Test Environment Integrated Syntax Highlighting Extensive Library of Expressions

A ruby based regular expression editor.

Key rubular features:

Immediate Feedback Simple Interface Ruby-Based Offline Syntax Help

RegexBuddy is your perfect companion for working with regular expressions.

Key RegexBuddy features:

Comprehensive Regex Tester Built-in Library Tutorials and Learning Tools Compatibility

regex cheatsheet for the haters.

Key i Hate Regex features:

Comprehensive Library User-Friendly Interface Interactive Examples Free of Cost

Open Source

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

Key RegexMagic features:

User-Friendly Interface Regex Building Blocks Test & Debug Comprehensive Documentation

The Regex Coach is a graphical application for Windows which can be used to experiment with...

Key The Regex Coach features:

Interactive Interface Immediate Feedback Visualization of Matches Freeware

RegEx Generator is a simple-to-use application that comes with the brilliance of intuitive regex and is also helping you out to test the regex.

Key RegEx Generator features:

User-Friendly Interface Interactive Feedback Learning Resource Time-Saving

Open Source

RegexPlanet offers a free-to-use Regular Expression Test Page to help you check RegEx in Ruby free-of-cost.

Key RegexPlanet Ruby features:

Tool Accessibility Ease of Use Immediate Feedback Ruby-Specific

Signup forms filled automatically with random identities.

Key Reggy features:

User-Friendly Interface Customization Integration Real-Time Updates

Regex Widget is a lightweight, easy-to-use regular expression tester released under the LGPL license.

Key Regex Widget features:

User-Friendly Interface Immediate Feedback Platform Independence Basic Functionality

Open-source, regular expression parser and visualizer.

Key Regulex features:

Visual Interface Immediate Feedback Interactive Free and Online