Update htaccess to include rewrite rules for non-existing files and directories

index.php

@@ -103,7 +103,7 @@ if ( $request_uri != '' )
     $pattern = $route['pattern'];
     $destination = $route['destination'];
 
-    if ( preg_match("#^" . $pattern . "#", $request_uri, $matches ) )
+    if ( preg_match( "#^" . $pattern . "#", $request_uri, $matches ) )
     {
       // Replace placeholders in the destination with matches from the request URI
       $destination = preg_replace( "#^" . $pattern . "#", $destination, $request_uri );