regexValidIp4 top-level constant

String const regexValidIp4

Matches IPv4 addresses.

Implementation

const String regexValidIp4 =
    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]?)$';