@Override
        public void run(final CharSequence chars, char @Nullable [] charsArray, final int start, final int end) {
          final String word = chars.subSequence(start, end).toString();
          if (matcher.matches(word)) {
            words.add(word);
          }
        }
@Override
        public void run(final CharSequence chars, char @Nullable [] charsArray, final int start, final int end)