docs: private static List<String> filterDelimeterElement(List<String> arr, char[] delimeter){
          List<String> list = new ArrayList<String>();
          for(String s : arr){
              if(s == null || s.isEmpty()){
                  continue;
              }
              if(s.length() > 1){
                  list.add(s);
                  continue;
              }
              char strChar = s.charAt(0);
              boolean find = false;
              for(char c : delimeter){
                  if(c == strChar){
                      find = true;
                      break;
                  }
              }
              if(find == false){
                  list.add(s);
              }
          }
          return list;
      }