docs: static boolean hasFunkyChars(String s) {
          int length = s.length();
  
          if (length == 0)
              return false;
  
          for (int i = 0; i < length; ++i) {
              char c = s.charAt(i);
  
              if (Character.isLetterOrDigit(c) || c == '-' || c == '_')
                  continue;
              else
                  return true;
          }
          return false;
      }