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Regex Tester
Test and debug regular expressions with live matching. Runs on your device — nothing is uploaded, nothing is stored.
Preset
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Type a replacement to preview
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About Regex Tester
Test JavaScript regular expressions with live highlighting and flags.
Regex Tester is a free tool in the Developer Tools category on BrowseryTools. It runs entirely in your browser — your data is never uploaded to a server, and there's no registration, no ads, and no watermarks, so your privacy is fully preserved.
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