Experience Projects Tools Games Skills Education About API Contact

Experience Projects Tools Games Skills Education About API Contact

Appearance

Theme

Accent Color

regular_expression Regex Tester

Regular Expression

/ /

g i m s

Test String

Replacement

Result

Regex Cheatsheet

Character Classes

. any character

\d digit [0-9]

\w word [A-Za-z0-9_]

\s whitespace

Quantifiers

* 0 or more

+ 1 or more

? 0 or 1

{3} exactly 3

{3,5} 3 to 5

Anchors

^ start of string

$ end of string

\b word boundary

Groups

(abc) capture group

(?:abc) non-capturing

a|b alternation

Common Patterns