🔍
Regex Tester
Test regular expressions with live highlighting. Validate patterns, see matches and groups. JavaScript regex syntax.
🔒100% Privacy⚡Instant🆓Free Forever📱Mobile Friendly
//g
✓Valid regex — 0 matches
Contact: [email protected] or [email protected] for support.
📚 Regex cheatsheet
\dAny digit (0-9)\wWord char (a-z, A-Z, 0-9, _)\sWhitespace.Any character*0 or more+1 or more?0 or 1 (optional){n,m}Between n and m times[abc]Any of a, b, c[^abc]Not a, b, c^Start of string$End of string◆ How it works
Regex Tester — 3 simple steps
01
Enter regex pattern
Type your regex (without slashes)
02
Pick flags
g (global), i (ignore case), m (multiline)
03
Test against text
See matches highlighted with groups
◆ FAQ
Common questions.
What is regex?
+
Common flags?
+