string split by regex.cpp

#include <stdio.h>
#include <string>
#include <regex>
#include <iterator>
#include <iostream>

using namespace std;

int main()
{
	auto result = vector<string>{};
	auto input = string{ "I am apple" };
	regex pattern(string{ " " });
	copy(sregex_token_iterator(input.begin(), input.end(), pattern, -1), sregex_token_iterator(), back_inserter(result));

	//copy(sregex_token_iterator(input.begin(), input.end(), pattern, -1), sregex_token_iterator(), ostream_iterator<string>(cout, "\n"));

	//for (auto it = sregex_token_iterator(input.begin(), input.end(), pattern, -1); it != sregex_token_iterator(); it++)
	//{
	//	cout << *it << endl;
	//}

	return 0;
}