split blanket using c++ tr1 regex. output is below. {pa,tt} {e, rn}

regex-parse-pair.cpp

#include "stdafx.h"
#include <regex>
#include <iostream>
#include <exception>
int _tmain(int argc, _TCHAR* argv[])
{
	std::string source = "{pa,tt}, {e, rn}";
	try
	{
		std::regex pattern("\\{.*?\\}", std::regex_constants::ECMAScript);
		const std::sregex_token_iterator end;
		std::sregex_token_iterator it(source.begin(), source.end(), pattern);
		
		while( it != end )
		{
			std::cout <<  *it << std::endl;
			++it;
		}
	}
	catch( std::exception& e)
	{
		std::cout << e.what() << std::endl;
	}
	return 0;
}