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Test Regular Expressions
in Real Time
Write a pattern, paste your test string, and instantly see every match highlighted. Includes capture groups, replace mode, and a quick reference.
01
Pattern
Write your regex pattern
02
Test
Paste your test string
03
Match
See highlights instantly
04
Replace
Optional find & replace
//g
Flags
.Any character\dDigit [0-9]\wWord character [a-zA-Z0-9_]\sWhitespace^Start of string$End of string*0 or more+1 or more?0 or 1{n}Exactly n{n,m}Between n and m[abc]Character class[^abc]Negated class(...)Capture group(?:...)Non-capturing group\bWord boundary|AlternationFrequently Asked Questions
Everything you need to know about regular expressions
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