docs: public static boolean isHexNumber(@Nullable String value) {
  		if (StringUtils.isEmpty(value)) {
  			return false;
  		}
  
  		int index = value.startsWith("-") ? 1 : 0;
  		return value.startsWith("0x", index) || value.startsWith("0X", index) || value.startsWith("#", index);
  	}