#include <string>
#include <iostream>
#include <cstring>

using namespace std;

#include <boost/regex/icu.hpp>
using namespace boost;


void do_stuff(const string & in, const  string & re, bool unicode)
{
    if(unicode) {
        std::cout << "DOING UNICODE:" << std::endl;
        
        UnicodeString str(in.c_str());
        u32regex reg = make_u32regex(re);
        
        
        u32regex_iterator<const UChar*>
            i(make_u32regex_iterator(str, reg, match_partial | match_perl)),
            j;
        
        while(i != j) {
            std::cout << "got a  " << ((*i)[0].matched ? "" : "partial ")
                      << "match legth: " << (*i)[0].length() << " match position: " << i->position() 
                      << " matched: " << string( (*i)[0].first, (*i)[0].second ) << std::endl;
            ++i;
        }
    } else {
        std::cout << "DOING ASCII:" << std::endl;
        
        string str = in;
        regex reg(re);

        regex_iterator<string::const_iterator>
            i(make_regex_iterator(str, reg, match_partial | match_perl)),
            j;
        
        while(i != j) {
            std::cout << "got a  " << ((*i)[0].matched ? "" : "partial ")
                      << "match legth: " << (*i)[0].length() << " match position: " << i->position() 
                      << " matched: " << string( (*i)[0].first, (*i)[0].second ) << std::endl;
            ++i;
        }
    }
}


int main(int argc, char * argv[]) {
    do_stuff("in summary in math we are using sum", "summary", true);
    do_stuff("in summary in math we are using sum", "summary", false);
    
    
    return 0;
}