code: func ExtractVersion(input string) string {
  	versionNumberRegex := regexp.MustCompile(` v(\d+\.\d+\.\d+(\-[\S\.\-]+)?(\+[\S\.\-]+)?)`)
  	versionNumberStr := versionNumberRegex.FindStringSubmatch(input)
  	if len(versionNumberStr) >= 2 {
  		return string(versionNumberStr[1])
  	}
  	return "UNKNOWN"
  }
docs: // ExtractVersion extracts a matching version from the version number string