[quote]RewriteRule detail-property-results-([0-9]+).php$
/results_detail.php?pageindex=$1&lang=en
[NC,L][/quote]
не факт, но как-то так
location = ^/detail-property-results-([0-9]+)\.php$ {
proxy_pass http://localhost:8000/results_detail.php?pageindex=$1&lang=en;
}