My Toolyard

Regex Tester

Live JavaScript regex testing with highlighted matches.

Highlighted
Email me at hi@example.com or test@toolyard.io
2 matches
  • hi@example.com
  • test@toolyard.io
About this tool

Test JavaScript regular expressions against sample text with live match highlighting.

How to use
  1. 1Type your pattern and flags.
  2. 2Paste sample text.
  3. 3Inspect highlighted matches and groups.
Good to know

Uses the browser's RegExp engine — features differ slightly from PCRE or Python re.