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Regex Tester

Test JavaScript regular expressions live. Highlights matches, capture groups and quantifiers in real time.

Why use our Regex Tester?

Test JavaScript regular expressions live. Highlights matches, capture groups and quantifiers in real time.

What the regex tester does

Test JavaScript regular expressions live. Highlights matches, capture groups and quantifiers in real time.

Great for regex tester

A quick, free way to handle regex tester — no sign-up, no install, results in milliseconds.

Private & instant

A lightweight, client-side utility that works offline on any device.

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