Regex Tester
Test and debug your regular expressions in real-time.
Regular Expression
/
/
Test String
The quick brown fox jumps over the lazy dog. The quick brown cat is also quick.
Match Information
| Full Match | Groups |
|---|
Regex Quick Reference
Anchors
^ - Start of string$ - End of string\b - Word boundary
Character Classes
\d - Digit\w - Word character\s - Whitespace. - Any character
Quantifiers
* - 0 or more+ - 1 or more
? - 0 or one{n,m} - n to m times
Groups
( ... ) - Capture group(?: ... ) - Non-capture group[abc] - Character set