Regular Expression Tool

Test and build regular expressions with real-time matching

Enter a regular expression and test text to see matches in real-time

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

Matches valid email addresses

URL

^(https?:\/\/)?([\da-z.-]+)\.([a-z.]{2,6})([/\w .-]*)*\/?$

Matches URLs with or without http(s) prefix

IPv4 Address

^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$

Matches IPv4 addresses

Date (YYYY-MM-DD)

^\d{4}-(0[1-9]|1[0-2])-(0[1-9]|[12][0-9]|3[01])$

Matches dates in YYYY-MM-DD format

Time (HH:MM:SS)

^([01]?[0-9]|2[0-3]):[0-5][0-9](:[0-5][0-9])?$

Matches times in HH:MM:SS or HH:MM format

Phone Number

^\+?[1-9]\d{1,14}$

Matches international phone numbers (E.164 format)

Strong Password

^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[@$!%*?&])[A-Za-z\d@$!%*?&]{8,}$

Matches strong passwords (min 8 chars, at least one uppercase, lowercase, number, and special character)