Free Online Regex Tester and Visualizer Tool

Real-time regular expression debugger with syntax highlighting and match visualization.

Regular Expression

Test String

0 Matches

Match	Range	Groups

Duration

0ms

Unique Matches

\d Digit (0-9)

\w Alphanumeric

\s Whitespace

. Any char

^ Start of line

$ End of line

[a-z] Range

(...) Capture Group

| Alternation

* 0 or more

+ 1 or more

{n,m} Quantity range