Regex Tester

Test and debug regular expressions in real-time with instant match highlighting, flag controls, and capture group extractions.

🔒 Tested client-side. No eval() or code execution used.

/ /

Test String Input

Contact support at alex@toolforyou.co or info@example.org for assistance.

Match Highlighting 0 Matches

Regular Expression Flags Reference

g (Global): Find all matches rather than stopping after the first match.
i (Ignore Case): Case-insensitive matching.
m (Multiline): Treat start (^) and end ($) characters as working across multiple lines.