Validation types:
- cc Validate a credit card number
- cc-full Validate a credit card number including CVV and expiration dates
- email Validate an email address
- email-full Validate an email address including DNS and SMTP checks
- net-hostname Validate an internet hostname
- net-hostname-full Validate an internet hostname including DNS checks
- net-ip Validate an IP address
- net-ip-v4 Validate an IPv4 address
- net-ip-v6 Validate an IPv6 address
- net-url Validate a web URL
- net-url-full Validate a web URL including DNS and HTTP checks
- number Validate a number
- number-bit Validate a single 0 or 1 value
- number-double Validate a double-precision floating number
- number-float Validate a single-precision floating number
- number-integer Validate an integer
- number-is-42 Validate the number 42
- number-is-even Validate an even integer
- number-is-odd Validate an odd integer
- phone Validate a phone number
- regexp Validate an arbitrary user-supplied regular expression
- uuid Validate a UUID