133 struct regex_impl  struct
136     typedef typename iterator_value<BidiIter>::type char_type;
138     regex_impl()  in regex_impl()  function
152     regex_impl(regex_impl<BidiIter> const &that)  in regex_impl()  function
166     ~regex_impl()  in ~regex_impl()
173     void swap(regex_impl<BidiIter> &that)  in swap()
184     intrusive_ptr<matchable_ex<BidiIter> const> xpr_;
185     intrusive_ptr<traits<char_type> const> traits_;
186     intrusive_ptr<finder<BidiIter> > finder_;
187     std::vector<named_mark<char_type> > named_marks_;
188     std::size_t mark_count_;
189     std::size_t hidden_mark_count_;
192     static int instances;