Regex Tester

Test your regular expressions with real-time matching and highlighting.

/ /

g global i case-insensitive m multiline s dotAll

Test String

Highlighted Matches

. Any character

\d Digit [0-9]

\w Word char [a-zA-Z0-9_]

\s Whitespace

^ Start of string

$ End of string

* 0 or more

+ 1 or more

? 0 or 1

{n,m} Between n and m

[abc] Character class

(abc) Capture group

a|b Alternation

\b Word boundary

(?=...) Lookahead

(?!...) Negative lookahead