Help cannot add mod_rewrite in nginx site configuration

Server NGINX
1

hello

i don’t know how to add this code

    rewrite "^/([0-9A-Za-z]{12})(\/.+|\.html?|)$"

/dl?op=download1&id=$1&fname=$2 last;
rewrite “^/embed-([0-9A-Za-z]{12}).html$”
/dl?op=embed&file_code=$1 last;
rewrite “^/embed-([0-9A-Za-z]{12})-(\d+)x(\d+).html$”
/dl?op=embed&file_code=$1&w=$2&h=$3 last;
rewrite “^/embed-(\w{2,3})-([0-9A-Za-z]{12})-(\d+)x(\d+).html$”
/dl?op=embed&file_code=$2&w=$3&h=$4&channel=$1 last;
rewrite “^/vidembed-([0-9A-Za-z]{12})”
/dl?op=embed2&file_code=$1 last;
#rewrite “^/dl$”
/dl last;

inside nginx configuration site

=====================================
server {
error_log /usr/local/nginx/logs/vhost-error_log warn;
listen 80;
server_name example.net www.example.net;
#proxy_set_header X-Real-IP $remote_addr;

    #Remove trailing slash
    rewrite ^/(.*)/$ /$1 permanent;

    set $fcgi_index_dl_on "1";
    #set $fcgi_index_on "1";

location ~ dl$ {
    include fastcgi.conf;
    limit_conn addr 2;
    if ( $fcgi_index_dl_on ) {
        root /home/tubro/public_html/cgi-bin;
        fastcgi_pass localhost:9011;
    }
}

location ~*

^/(js/|css/|images/|img/|player/|favicon.ico|crossdomain.xml|catalogue.rss)
{

location ~* .(gif|jpg|jpeg|png|wmv|avi|mpg|mpeg|mp4|js|css)$ {
root /home/site/public_html;
access_log off;
expires 30d;
}

location /home/site/public_html/cgi-bin/fs.cgi {
        proxy_pass         http://example.net/cgi-bin/fs.cgi;
        proxy_set_header   X-Real-IP        $remote_addr;
        charset  utf-8;
        #limit_conn   addr  30;
}

location / {

proxy_send_timeout 90;
proxy_read_timeout 90;

proxy_buffer_size 4k;

you can increase proxy_buffers here to suppress "an upstream

response

is buffered to a temporary file" warning

proxy_buffers 16 32k;
proxy_busy_buffers_size 64k;
proxy_temp_file_write_size 64k;

proxy_connect_timeout 30s;

proxy_redirect http://www.example.net:8070 http://www.example.net;
proxy_redirect http://example.net:8070 http://example.net;

proxy_pass http://192.168.1.1:8070;

proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

    #limit_conn addr 3;
    #limit_req zone=one burst=5;
}

    error_page  404              /404.html;
    error_page  500 502 503 504  /50x.html;
}

=====================================

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