Email Address^[a-zA-Z0-9._%+\-]+@[a-zA-Z0-9.\-]+\.[a-zA-Z]{2,}$
Validates standard email addresses
URL^https?:\/\/(?:www\.)?[a-zA-Z0-9][a-zA-Z0-9\-]*\.[a-zA-Z]{2,}(?:\/[^\s]*)?$
Validates HTTP/HTTPS URLs
Phone (US)^\(?\d{3}\)?[\s.\-]?\d{3}[\s.\-]?\d{4}$
US phone number formats
Phone (UK)^(?:\+44|0)\d{10,11}$
UK phone numbers
Phone (International)^\+?[1-9]\d{6,14}$
International phone format
IPv4 Address^(?:(?:25[0-5]|2[0-4]\d|[01]?\d\d?)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d\d?)$
Validates IPv4 addresses (0.0.0.0 - 255.255.255.255)
IPv6 Address^(?:[0-9a-fA-F]{1,4}:){7}[0-9a-fA-F]{1,4}$
Validates full IPv6 addresses
Credit Card (General)^(?:4[0-9]{12}(?:[0-9]{3})?|5[1-5][0-9]{14}|3[47][0-9]{13}|6(?:011|5[0-9]{2})[0-9]{12})$
Visa, MasterCard, Amex, Discover
Visa Card^4[0-9]{12}(?:[0-9]{3})?$
Visa card numbers (13 or 16 digits)
MasterCard^5[1-5][0-9]{14}$
MasterCard numbers (16 digits)
Amex Card^3[47][0-9]{13}$
American Express (15 digits)
SSN (US)^\d{3}-\d{2}-\d{4}$
US Social Security Number
Passport Number^[A-Z]{1,2}[0-9]{6,9}$
Common passport number format
ZIP Code (US)^\d{5}(?:-\d{4})?$
US ZIP codes (5 or 9 digit)
Postal Code (UK)^[A-Z]{1,2}\d[A-Z\d]?\s?\d[A-Z]{2}$
UK postal codes
Akousa