Regex Tester

Type a pattern between the slashes and flags after (g = all matches, i = ignore case, m = multiline, s = dot matches newlines, u = Unicode). Matches are highlighted as you type and each capture group is listed.

Cheat sheet

• \d digit, \w word character, \s whitespace
• + one or more, * zero or more, ? optional, {2,4} 2 to 4 times
• ( ) capture group, (?: ) non-capturing, (?<name> ) named group
• ^ start, $ end, \b word boundary

Questions