Function ValidateIPAddress

opts/opts.go:188–193

ValidateIPAddress validates if the given value is a correctly formatted IP address, and returns the value in normalized form. Leading and trailing whitespace is allowed, but it does not allow IPv6 addresses surrounded by square brackets ("[::1]"). Refer to [net.ParseIP] for accepted formats.

(val string)

//
// Refer to [net.ParseIP] for accepted formats.
func ValidateIPAddress(val string) (string, error) {
	if ip := net.ParseIP(strings.TrimSpace(val)); ip != nil {
		return ip.String(), nil
	}
	return "", fmt.Errorf("IP address is not correctly formatted: %s", val)
}

// ValidateMACAddress validates a MAC address.
//