docs: public static boolean isValidFormat(String string) {
          if (StringUtil.isBlank(string)) {
              return false;
          }
          String[] parts = string.split(SEPARATOR);
          if (parts.length != 3) {
              return false;
          }
          try {
              Integer.valueOf(parts[1]);
          } catch (NumberFormatException e) {
              return false;
          }
          try {
              Long.valueOf(parts[2]);
          } catch (NumberFormatException e) {
              return false;
          }
          return true;
      }