code: private boolean isWord(String token) {
      boolean isWord = true;
      if (StringUtils.isNumericSpace(token)) {
        isWord = false;
      } else if (token.length() == 1) {
        char c = token.charAt(0);
        if (!Character.isLetter(c)) {
          isWord = false;
        }
      }
      return isWord;
    }
docs: avoid "..." etc. to be matched: