Professional-grade pattern debugging with real-time visualization, capture groups & replacement preview
| # | Match | Index | Length | Groups |
|---|---|---|---|---|
| Enter a pattern and test string to see matches | ||||
Type a regex pattern above to see a human-readable breakdown of its components.
.Any char\dDigit\wWord\sWhitespace^ $Start / End* + ?0+, 1+, 0/1{n,m}Range(...)Capture(?:...)Non-capture(?=...)Lookahead(?<=...)Lookbehind[abc]Class[^abc]Negated\1Backref(?<n>...)Named|Alternation