public static String deleteAny(String inString, String charsToDelete) {
      if (!hasLength(inString) || !hasLength(charsToDelete)) {
         return inString;
      }
      StringBuilder sb = new StringBuilder();
      for (int i = 0; i < inString.length(); i++) {
         char c = inString.charAt(i);
         if (charsToDelete.indexOf(c) == -1) {
            sb.append(c);
         }
      }
      return sb.toString();
   }