Regular Expression

//

Test String

Highlighted Matches

Hello world! My email is [email protected] and my phone is +1-555-123-4567.

Matches (0)

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Quick Reference

Character Classes

  • . any char
  • \d digit
  • \w word char
  • \s whitespace

Anchors

  • ^ start
  • $ end
  • \b word boundary

Quantifiers

  • * 0 or more
  • + 1 or more
  • ? 0 or 1
  • {n} exactly n

Groups

  • (abc) capture
  • (?:abc) non-capture
  • (?<name>) named