code: public static final boolean isListItem(String pattern)
      {
          int idx = pattern.lastIndexOf(Lim);
          if (idx != -1)
          {
              try
              {
                  Integer.parseInt(pattern.substring(idx+1));
                  return true;
              }
              catch (NumberFormatException ex)
              {
                  return false;
              }
          }
          else
          {
              return false;
          }
      }
docs: Return true if string after last separator is numeric
  @param pattern
  @return