nginx - 如何在 nginx Web 服务器的重写规则中将大写字母转换为小写字母？

Question

我需要翻译地址:

www.example.com/TEST 在 ---> www.example.com/test

Answer 1

location /dupa/ {
    set_by_lua $request_uri_low "return ngx.arg[1]:lower()" $request_uri;
    rewrite ^ https://$host$request_uri_low;
}