Test regular expressions in real-time with match highlighting.
| Pattern | Description |
|---|---|
. | Any character except newline |
\d \w \s | Digit, word char, whitespace |
[abc] | Character set |
^ $ | Start / end of string |
* + ? | 0+, 1+, 0 or 1 |
{n,m} | Between n and m occurrences |
(abc) | Capture group |
(?:abc) | Non-capturing group |