⚡ REGEX TESTER

Test regular expressions in real-time. Zero dependencies.

Pattern

Test String

Highlighted Result

Matches

Replace

Quick Reference

.Any character
\d \DDigit / Not digit
\w \WWord / Not word
\s \SSpace / Not space
^ $Start / End
\bWord boundary
* + ?0+, 1+, 0 or 1
{n,m}Between n and m
[abc]Character class
[^abc]Not in class
(abc)Capture group
(?:abc)Non-capture group
a|bAlternation
(?=a)Lookahead
(?!a)Neg lookahead
(?<=a)Lookbehind