Improves Validator, adds {@type alpha} to allow only alphabetic characters.
Improves Validator to attempt to sanitise email when {@fix} comment is found
Improves Validator, adds {@type url} to validate the given string as URL
Improves Validator, adds {@type ip} to validate the given string as IP Address in IPV4 or IPV6 format
Improves Validator, adds {@type alphanumeric} to allow only alphabetic characters.
Improves Validator, adds {@type printable} to allow printable characters only.
Improves Validator, adds {@type hex} to allow hexadecimal digits only.