Which regex flavor does this use?

This tool uses JavaScript's built-in RegExp engine, which supports features like lookahead, lookbehind, named groups, and Unicode properties.

Can I test with multiple strings?

Yes. Enter multiple test strings and see which ones match your pattern, with matches highlighted inline.

Which regex flavor does this use?

This tool uses JavaScript's built-in RegExp engine, which supports features like lookahead, lookbehind, named groups, and Unicode properties.

Can I test with multiple strings?

Yes. Enter multiple test strings and see which ones match your pattern, with matches highlighted inline.

Gratis

Regex Tester

Test reguliere expressies met live markering, capturegroepen en patroonverklaringen.

100% GratisGeen Registratie NodigDraait in Uw Browser

//g

Teststring

Overeenkomsten (0)

Geen overeenkomsten gevonden.

Patroonverklaring

Voer een patroon in om verklaringen te zien.

Over Regex Tester

Write and test regular expressions with instant visual feedback. See matches highlighted in real time, view capture groups, and test against multiple strings. Supports JavaScript regex syntax with all common flags.

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LaunchChat gebruikt regex voor slimme trefwoordafstelling in zijn RAG-pijplijn.

Geen creditcard nodig

Building with patterns? LaunchChat uses RAG pattern matching to find the best answers from your docs.

Free tier available. No credit card required.

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