Wed, 11 Oct 2017 09:08:00 GMT

Test program again

#include <boost/regex.hpp>
#include <iostream>
#include <exception>
using namespace std;
int main(int argc, char **argv) {
    try {
        boost::regex::flag_type flags = boost::regex::ECMAScript;
        flags |= boost::regex::nosubs;
        boost::regex theRegex("([|&])\\1?", flags);
        cout << "ok\n";
        return 0;
    } catch (exception &e) {
        cerr << "exception: " << e.what() << "\n";
        return 1;
    }
}

Boost C++ Libraries: Ticket #13256: regex '([|&])\1?' with backreference fails to compile if regex::nosub flag used