nginx location regular data extraction problem

Question

nginx Help

location ~* \.(gif|jpg|jpeg)$ {
    //这里怎么拿到 括号里的值？
    //比如
    set $ext "gif";//得到括号里面是什么内容
}

Answer 1

Well, ask and answer your own questions

location ~* \.(?<ext_name>gif|jpg|jpeg)$ {
    //这里怎么拿到 括号里的值？
    //比如
    set $ext "$ext_name";//得到括号里面是什么内容
}