Highlighted Matches
Match Details
▶ Quick Reference
. Any character
\d Digit [0-9]
\w Word [A-Za-z0-9_]
\s Whitespace
\b Word boundary
^ Start of line
$ End of line
* 0 or more
+ 1 or more
? 0 or 1
{n,m} n to m times
[abc] Character class
[^abc] Negated class
(group) Capture group
(?:nc) Non-capture
a|b Alternation
(?=x) Lookahead
(?!x) Neg. lookahead
(?<=x) Lookbehind
(?<name>) Named group