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Regex Tester

Test regular expressions with real-time matching

/ /
Matches: 0
Groups: 0

Common Patterns

Regex Quick Reference

. Any character except newline

\d Digit (0-9)   \w Word character   \s Whitespace

* 0 or more   + 1 or more   ? 0 or 1

^ Start of string   $ End of string

[abc] Character class   (abc) Capturing group

Flags

g Global - find all matches

i Case-insensitive matching

m Multiline - ^ and $ match line boundaries

s Dotall - . matches newlines too