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Regex Tester
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Test and debug regular expressions in real-time with instant match highlighting and capture group display. Supports JavaScript regex syntax with flags. Includes a reference guide for common patterns and metacharacters.
Frequently Asked Questions
What is regex?
Regex (Regular Expression) is a pattern used to match, search, and manipulate text strings.
How do I test my regex?
Enter your pattern and test string. Matches will be highlighted, and you can see captured groups.
What regex flavor is used?
We use JavaScript regex flavor, which is compatible with most web development needs.
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