Discussion on question by mrFieldy: Почему std::regex такой медленный?

Imported from a comment discussion on https://ru.stackoverflow.com/questions/889886/%d0%9f%d0%be%d1%87%d0%b5%d0%bc%d1%83-stdregex-%d1%82%d0%b0%d0%ba%d0%be%d0%b9-%d0%bc%d0%b5%d0%b4%d0%bb%d0%b5%d0%bd%d0%bd%d1%8b%d0%b9