Regex Tester
Test and debug regular expressions with live match highlighting.
//g
Frequently Asked Questions
What regex syntax does this support?
JavaScript (ECMAScript) regular expression syntax, which is compatible with most modern programming languages.
What do the flags do?
g = global (find all matches), i = case-insensitive, m = multiline (^ and $ match line boundaries), s = dotAll (. matches newlines).
How do I capture groups?
Wrap parts of your pattern in parentheses, e.g. (\d+). Captured groups are shown in the match list below the test string.