Regex Tester & Builder

Type a pattern, see matches highlighted in real time, and get a plain-language breakdown of every token.

Free

Pattern

//

Matches (2)

Contact ops@example.com or security+reports@corp.dev. Invalid: foo@bar

Explainer

  • › \w — word character [A-Za-z0-9_]
  • › \b — word boundary
  • › + — one or more of the previous token
  • › [...] — character class, matches any one listed character
  • › {n,m} — between n and m repetitions

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