String Processing

Regex Visualizer

Real-time Regular Expression testing and highlighting.

// g
g (global)   i (case-insensitive)

Matches

Hello World! This is a Regex Visualizer built with React.
Quick Reference

Character Classes

.Any character
\wWord character
\dDigit
\sWhitespace
[abc]Any of a, b, or c

Quantifiers

*0 or more
+1 or more
?0 or 1
{3}Exactly 3

Anchors

^Start of string
$End of string
\bWord boundary