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Regex Tester & Explainer

Web Tools

Test regular expressions with real-time matching and explanations.

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Common Patterns

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About Regex Tester & Explainer

Test and debug regular expressions in real time with instant match highlighting, capture group extraction, and plain-English explanations of every token. Supports JavaScript, Python, and Go regex flavors with a built-in cheat sheet and common pattern library. Save and share your expressions with permanent links for easy collaboration.

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