🎯 Regex Tester

Test regular expressions with live matching and explanations

Regular Expression
/ /
0
Matches
0
Groups
0ms
Exec Time
Test String
Live Preview (matches highlighted)
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Match Details
Quick Examples
Quick Reference
Character Classes
\d digit (0-9)
\w word char
\s whitespace
. any char
Quantifiers
* 0 or more
+ 1 or more
? 0 or 1
{n,m} n to m times
Anchors
^ start of line
$ end of line
\b word boundary
Groups
( ) capture group
(?: ) non-capture
| alternation