mark_count()

template<typename _Ch_type, typename _Rx_traits = regex_traits<_Ch_type>>

unsigned int std::basic_regex< _Ch_type, _Rx_traits >::mark_count ( ) const

inlinenoexcept

Gets the number of marked subexpressions within the regular expression.

Definition at line 767 of file regex.h.

      {
      if (_M_automaton)
        return _M_automaton->_M_sub_count() - 1;
      return 0;
      }