Regex Tester & Debugger

100% In-Browser

Test regular expressions, see matches, capture groups, and explore cheat sheets.

Key Capabilities & Features

  • ✓ 100% Client-side processing with zero server telemetry
  • ✓ Instant copy and download options
  • ✓ Clean formatting and auto-validation
  • ✓ No account or subscription required

Frequently Asked Questions

Which flags are supported?

Global (g), Case-insensitive (i), Multiline (m), and DotAll (s).

Does it support capture groups?

Yes, every match breaks down named and indexed capture groups in an interactive table.