Tool
Paste a regex and test string to see matches highlighted and capture groups extracted in real time.
| Pattern | Meaning | Example |
|---|---|---|
| \d | Digit | \d+ matches 123 |
| \w | Word character | \w+ matches hello_123 |
| . | Any character | .+ matches anything |
| ^...$ | Start / end of line | ^hello matches lines starting with hello |
| () | Capture group | (\d+)-(\d+) |
| [a-z] | Character range | [a-zA-Z]+ |