Regex Tester

Test and debug regular expressions against sample text. Useful for developers, testers, and data validation tasks.

How This Regex Tester Works

Enter a regular expression pattern, optional flags, and test text. The tool highlights whether matches are found and how many occurrences exist.

Common Uses

Privacy & Disclaimer

All regex testing happens locally in your browser. No data is stored or transmitted. Provided for development and educational purposes only.