Highlighted
Replace Result
Matches: 0 |
Groups: 0 |
Exec Time: 0ms
Match Details
▸ Quick Reference
| . | Any character (except newline) |
| \\d | Digit [0-9] |
| \\w | Word char [A-Za-z0-9_] |
| \\s | Whitespace |
| \\b | Word boundary |
| ^ | Start of string/line |
| $ | End of string/line |
| * | 0 or more |
| + | 1 or more |
| ? | 0 or 1 (or lazy) |
| {n,m} | Between n and m times |
| [abc] | Character class |
| [^abc] | Negated class |
| (abc) | Capture group |
| (?:abc) | Non-capture group |
| (?=abc) | Lookahead |
| (?!abc) | Negative lookahead |
| (?<=a) | Lookbehind |
| a|b | Alternation (or) |
| \\1 | Back-reference |
| $1 | Replace group ref |