checkNotNull(separatorMatcher);

    return new Splitter(
        new Strategy() {
          @Override
          public SplittingIterator iterator(Splitter splitter, final CharSequence toSplit) {
            return new SplittingIterator(splitter, toSplit) {
              @Override
              int separatorStart(int start) {
                return separatorMatcher.indexIn(toSplit, start);