#include <string>
#include <regex>
#include <iostream>
int main()
{
std::string s;
s += '\x06';
s += '\x00';
std::regex r(std::string(1, '\x06') + R"(\0)");
std::smatch sm;
if (std::regex_search(s, sm, r))
{
std::cout << "Success\n";
return 0;
}
std::cout << "Failure\n";
}
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