[Boost]_[使用boost正则表达式查找所有字符串]

#include <stdio.h>
#include <string>
#include <iterator>
#include <boost/regex.hpp>
#include <iostream>

using namespace std;

int main(int argc, char *argv[])
{
std::string str("infoasdf123unil98oasdfa686^&*(432");
boost::regex e1("[0-9]+");

std::string::const_iterator start, end;
start = str.begin();
end = str.end();

boost::match_results<std::string::const_iterator> what;
boost::match_flag_type flags = boost::match_default;

while(regex_search(start, end, what, e1, flags))
{
cout << "finded number: " << string(what[0].first,what[0].second) << endl;
start = what[0].second;
}
return 0;
}

//http://www.boost.org/doc/libs/1_46_1/libs/regex/doc/html/boost_regex/ref/regex_search.html

finded number: 123
finded number: 98
finded number: 686
finded number: 432