isValidIPv4Address static method

bool isValidIPv4Address(
  1. String ip
)

Check if string is a valid IPv4 address

ip - The IP address to validate Returns true if IPv4 address is valid

Implementation

static bool isValidIPv4Address(String ip) {
  final ipv4Regex = RegExp(r'^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$');
  return ipv4Regex.hasMatch(ip);
}