Regular Expression Tester

Test and validate regular expressions with live matching

Regular Expression

/ /

Flags: g (global), i (ignore case), m (multiline), s (dotall), u (unicode), y (sticky)

Test String

Match Results

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Highlighted Matches

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Quick Patterns

Statistics

Total Matches: 0
Unique Matches: 0
Pattern Valid: Yes

Cheatsheet

Characters:
. Any character
\d Digit
\w Word character
\s Whitespace

Quantifiers:
* 0 or more
+ 1 or more
? 0 or 1
{n} Exactly n

Anchors:
^ Start of line
$ End of line
\b Word boundary

Groups:
() Capture group
[] Character class
| OR operator