Regex Tester
Test and debug regular expressions in real-time. Match, replace, and split text with regex patterns. All processing happens locally in your browser.
Matches Found
0 matches
Enter a regex pattern and test text to see matches
Highlighted Text
Matches will be highlighted here
Replaced Result
Replaced text will appear here
Split Result
Split text using the regex pattern as delimiter
Regex Information
Enter a regex pattern to see information
Common Regex Patterns
Email Address
^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$
Phone Number (US)
^\(?\d{3}\)?[-.\s]?\d{3}[-.\s]?\d{4}$
URL
^(https?:\/\/)?([\da-z\.-]+)\.([a-z\.]{2,6})([\/\w \.-]*)*\/?$
IP Address
^(\d{1,3}\.){3}\d{1,3}$
Regex Cheat Sheet
\d
Digit (0-9)
\w
Word character
\s
Whitespace
^
Start of line
$
End of line
*
0 or more
+
1 or more
?
0 or 1