Nginx rewrite rule to change ?page pagination URL's to /p style

nginx_pagination_fix.conf

if ($request_uri ~* ^(.+)\?page=1$) {
  set $dom_prefix $1;
  set $args '';
  rewrite ^(.*)$ $scheme://$host$dom_prefix permanent;
  break;
}
if ($request_uri ~* ^(.+)\?page=(\d+)$) {
  set $dom_prefix $1;
  set $page $2;
  set $args '';
  rewrite ^(.*)$ $scheme://$host$dom_prefix/p$page permanent;
  break;
}