Build, test, and debug regular expressions
A powerful, free online tool for building, testing, and debugging regular expressions with real-time feedback and comprehensive learning resources.
Test your regular expressions instantly with live match highlighting and detailed group information.
Support for all regex flags, replacement testing, and comprehensive pattern debugging tools.
Extensive quick reference guide with examples and sample patterns to help you master regex.
Completely free to use with no registration required. Built for developers, by developers.
Regular expressions are powerful tools for pattern matching and text processing, but they can be complex and error-prone. Our regex editor provides a user-friendly interface that makes it easy to:
Whether you're a beginner learning regex basics or an experienced developer working with complex patterns, our tool provides the features and resources you need to work efficiently with regular expressions.
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