#include <regex>
#include <string>
#include <iostream>
using namespace std;
 
int main() {
	string s("Location: http://w...content-available-to-author-only...e.ru/ru/index.php?gfe_rd=cr&ei=wHKcWInnDurA7gThta_YBw");
	regex r(R"(Location:\s+([a-z]+)://(?:www\.)?([^/]+)/?([^?]*)(?:\?(.*))?)");
	smatch matches;
	if (regex_match(s, matches, r)) {
    	cout << "Протокол: " << matches.str(1) << endl;
    	cout << "Домен: " << matches.str(2) << endl;
    	cout << "Путь: " << matches.str(3) << endl;
    	cout << "Строка запроса: " << matches.str(4) << endl;
	}
    return 0;
}

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