return len(value) <= DNS1123LabelMaxLength && dns1123LabelRegexp.MatchString(value)
}

// IsWildcardDNS1123Label tests for a string that conforms to the definition of a label in DNS (RFC 1123), but allows
// the wildcard label (`*`), and typical labels with a leading astrisk instead of alphabetic character (e.g. "*-foo")
func IsWildcardDNS1123Label(value string) bool {
	return len(value) <= DNS1123LabelMaxLength && wildcardPrefixRegexp.MatchString(value)