Regex Generator

Create, test, and validate regular expressions with real-time visualization

Common Patterns

Pattern

Flags

Test String

No matches found

^ - Start of line

$ - End of line

\d - Digit (0-9)

\w - Word character (a-z, A-Z, 0-9, _)

\s - Whitespace

. - Any character except newline

* - 0 or more

+ - 1 or more

? - 0 or 1

{n} - Exactly n times

[abc] - Any character in set

[^abc] - Any character not in set

(?=...) - Positive lookahead

(?!...) - Negative lookahead