我正在尝试在C ++ 11代码中使用std :: regex,但看起来支持是有点bug。 一个例子: #include <regex> #include <iostream> int main (int argc, const char * argv[]) { std::regex r("st|mt|tr"); std::cerr << "st|mt|tr" << " matches st? " << std::regex_match("st", r) << std::endl; std::cerr << "st|mt|tr" << " matches mt? " << std::regex_match("mt", r) << std::endl; std::cerr << "st|mt|tr" << " matches tr? " […]