Regex Tester and Debugger

Regular Expression Pattern

Global (g) Case Insensitive (i) Multiline (m) Dot All (s)

Test String

Results

Matches will appear here

Quick Reference

Common Patterns

. - Any character except newline
\w - Word character [A-Za-z0-9_]
\d - Digit [0-9]
\s - Whitespace character
[abc] - Character class (matches a, b, or c)
^ - Start of line
$ - End of line

Quantifiers

* - 0 or more
+ - 1 or more
? - 0 or 1
{n} - Exactly n times
{n,} - n or more times
{n,m} - Between n and m times

Examples

Email: [a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}

Phone: \+?\d{1,4}[-.\s]?\d{1,3}[-.\s]?\d{4}

URL: https?:\/\/[\w\-\.]+\.\w+