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Regex Tester

Test JavaScript regular expressions against text. See every match, capture groups, and flag effects in real time.

//g
Flags

Matches

3 matches
Contact alice@example.com or BOB@test.org. Also: charlie@nope, dave@work.io.

Groups

  • #1 @ 8: alice@example.com
    1. alice
    2. example.com
  • #2 @ 29: BOB@test.org
    1. BOB
    2. test.org
  • #3 @ 63: dave@work.io
    1. dave
    2. work.io

JavaScript flavor (ECMAScript). Differs from PCRE / Python in some edge cases.