Pikden/Text Tools/Regex Tester

Free Regex Tester - Test & Debug Regular Expressions Live

Write and test regular expressions with real-time match highlighting. Shows all match groups, indices, and flags. Includes quick-insert patterns for common use cases.

Regular Expression Tester

Test and match regex patterns in real-time

2 Matches

Regular Expression

Flags:Global (g)Case Insensitive (i)Multiline (m)Dot All (s)

Quick Patterns

Test String

Hello! You can reach me at contact@example.com or support@test.co.uk. Looking forward to it!

Matches & Groups

Match 1Index: 27

contact@example.com

Group 1:contact@example.com

Match 2Index: 50

support@test.co.uk

Group 1:support@test.co.uk