ReqIPv4 constructor
Non-blank and well-formed IPv4 values.
blank
the error message in case of an IPv4 address left blank; if
omitted, the default message will be 'required IP'.
mal
the error message in case of a malformed IP address; if omitted, the
default message will be 'malformed IP address'.
Implementation
ReqIPv4({String? blank, String? mal})
: this._set(IPv4(mal: mal), blank: blank);