Regex Tester

Test and validate regular expressions with real-time matching

Pattern

Flags

Test Text

Common Patterns

Email Address

Matches valid email addresses

/^[\w-\.]+@([\w-]+\.)+[\w-]{2,4}$/i

URL

Matches URLs with optional protocol

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

Phone Number (US)

Matches US phone numbers with optional country code

/^(\+\d{1,2}\s)?$?\d{3}$?[\s.-]?\d{3}[\s.-]?\d{4}$/

Date (YYYY-MM-DD)

Matches dates in YYYY-MM-DD format

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

Time (24h)

Matches 24-hour time format (HH:MM)

/^([01]\d|2[0-3]):([0-5]\d)$/

Password Strength

Minimum 8 characters, at least one letter, one number, and one special character

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

IPv4 Address

Matches valid IPv4 addresses

/^(?:(?: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]?)$/

Credit Card Number

Matches major credit card numbers (Visa, MasterCard, Amex, Discover)

/^(?:4[0-9]{12}(?:[0-9]{3})?|5[1-5][0-9]{14}|3[47][0-9]{13}|6(?:011|5[0-9][0-9])[0-9]{12})$/

Hex Color

Matches hex color codes with optional #

/^#?([a-fA-F0-9]{6}|[a-fA-F0-9]{3})$/

ZIP Code (US)

Matches US ZIP codes with optional +4

/^\d{5}(?:[-\s]\d{4})?$/