Regular expressions (regex) are powerful pattern-matching tools used in programming, text processing, and data validation. Our Regex Tester helps you write and debug regex patterns.
Features
Real-time matching with highlighting, match group extraction, common regex patterns library, and flags support (global, case-insensitive, multiline).
Use Our Free Regex Tester
Enter your pattern and test string, see matches highlighted in real time. Includes a cheat sheet of common patterns and syntax reference.
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