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Tool · /08

Regex Tester

Test JavaScript regular expressions against sample text, with named groups and flags.

Write a regex pattern, configure flags (g, i, m, s, u, y), paste your test string, and see matches with their capture groups highlighted. Uses the browser's native RegExp engine.

//

match @13: hello@devsdesk.site

  • [1] hello
  • [2] devsdesk.site

match @36: ayan@example.com

  • [1] ayan
  • [2] example.com

FAQ

Which regex flavor does this use?

JavaScript's native RegExp. This differs from PCRE in a few edge cases (look-behind support varies, no possessive quantifiers).

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