What regex flavor is supported?

This tool uses JavaScript (ECMAScript) regular expression flavor, which is standard for web development.

Yes. All processing happens in your browser. No patterns or test strings are sent to any server.

Regex Tester & Debugger

6 matches found

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Character	Meaning
`.`	Any Match (except newline)
`\d`	Digit (0-9)
`\w`	Word Character (a-z, A-Z, 0-9, _)
`\s`	Whitespace (space, tab, newline)
`*`	0 or more
`+`	1 or more
`?`	0 or 1
`^`	Start of String
`$`	End of String

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