Regex Tester

Test and debug regular expressions with real-time matches and group captures.

What it does

  • ·Live matching as you type
  • ·Toggle flags (g, i, m, s, u, y) with one click
  • ·Highlights every match in the test string
  • ·Lists each match with its index, captured groups, and named groups
//gi
Flags:

Highlighted

Contact alice@example.com or bob@TEST.io for details. Bad emails: notanemail, x@.com, @missing.com

Matches (2)

#1 @ 8alice@example.com
#2 @ 29bob@TEST.io