boost::regex reg( "A\\(" "[^()]*" "(" "(" "(?'Open'\\()" "[^()]*" ")+" "(" "(?'-Open'\\))" "[^()]*" ")+" ")*" "(?(Open)(?!))" "\\)");
3,881
社区成员
9,053
社区内容
加载中
试试用AI创作助手写篇文章吧