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Regex Tester

Test regular expressions live with flags, capture groups, and match highlighting. Includes presets for email, URL, IP, and more.

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Contact dave@otf-kit.dev or visit https://otf-kit.dev for the SDK.
Server returned 500 from 10.0.0.1 at 2026-05-07 with token id 9b4a1f5e-3c2d-4a5b-8c1f-2e3d4f5a6b7c.
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