IPv4 constructor
IPv4({
- String? mal,
Validates IPv4 addresses using a regular expression that is suitable for manually entered IP's. Examples:
If the ipv4 field is mandatory, see ReqIPv4 or Req.
mal
the error message in case of a malformed IP address; if omitted, the
default message will be 'malformed IP address'.
Implementation
IPv4({String? mal})
: _ipv4Val = ((String? ipv4) {
return (ipv4 == null || _matcher.hasMatch(ipv4))
? null
: mal ?? 'malformed IP address';
});