isIPv4 property

bool get isIPv4

Checks if the string is a valid IPv4 address.

Implementation

bool get isIPv4 => regex(
    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]?)$');