if (data.find("a href=\"http") != std::string::npos)
        pos1 = data.find("a href=\"http", pos1);
    else
    {
        pos1 = data.find("a href=\"/", pos1);
        relatif = true;
    }

//code

if (relatif == true)
            email = url.substr(0, 7) + url.substr(7, pos1) + email;