FIX #5207 fix order by identifier

modules/attachments/frame_list_attachments.php

@@ -103,14 +103,14 @@ if (isset($whereAttach) && $whereAttach <> '') $where .= $whereAttach;
     $order_field = $list->getOrderField();
     if (!empty($order_field) && !empty($order)){
         if($_REQUEST['order_field'] == 'identifier'){
-	        $orderstr = "order by regexp_replace(identifier, '[^a-zA-Z]', '', 'g') ".$order.", regexp_replace(identifier, '[^0-9]', '', 'g')::bigint"." ".$order;
+	        $orderstr = "order by order_alphanum(identifier)"." ".$order;
 	    }else{
 	        $orderstr = "order by ".$order_field." ".$order;
 	    }
     } else  {
         $list->setOrder();
         $list->setOrderField('identifier');
-        $orderstr = "order by attachment_type asc, regexp_replace(identifier, '[^a-zA-Z]', '', 'g') DESC, regexp_replace(identifier, '[^0-9]', '', 'g')::bigint DESC";
+        $orderstr = "order by attachment_type asc, order_alphanum(identifier) DESC";
     }
 
 $parameters = '';