Regex Tester
Test a regular expression and highlight matches.
Processed locally in your browser. Nothing you enter is uploaded.
Matches are highlighted below. A glossary is more reliable than an automatic English explanation of every pattern.
Output
The result will show up here.- \d digit, \w word, \s space
- ^ start, $ end, . any character except newline unless s is set
- * + ? counts, [] a set, () a group