#include <regex>
#include <iostream>
using namespace std;

int main()
{
        const char *reg_esp = "[ ,.\\t\\n;:]" ;  // List of separator characters.

        regex rgx(reg_esp) ;  // 'regex' is an instance of the template class
                              // 'basic_regex' with argument of type 'char'.
        cmatch match ;  // 'cmatch' is an instance of the template class
                        // 'match_results' with argument of type 'const char *'.
        const char *target = "Polytechnic University of Turin " ;

        // Identifies all words of 'target' separated by characters of 'reg_esp'.
        if( regex_search( target, match, rgx ) )
        {
          // If words separated by specified characters are present.

          const size_t n = match.size();
          for( size_t a = 0 ; a < n ; a++ )
          {
            string str( match[a].first, match[a].second ) ;
            cout << str << "\n" ;
          }
        }
}