code: private static String createTagletPattern(String tagNames) {
          final StringBuilder regex = new StringBuilder();
          final int size = STR_TAGS_REGEX_LIST.size();
          for (int regexIdx = 0; regexIdx < size; regexIdx++) {
              final String tagRegex = STR_TAGS_REGEX_LIST.get(regexIdx);
              final String argsRex = STR_ARGS_REGEX_LIST.get(regexIdx);
              if (regexIdx > 0) {
                  regex.append('|');
              }
              regex.append(tagRegex).append(tagNames).append(STR_TAG_ARG_REGEX_SEPARATOR).append(argsRex);
  
          }
          return regex.toString();
      }
docs: Creates the taglet pattern from `tagNames`.
  @param tagNames the tag names
  @return the regex for the known taglets.