trevordixon@gmail.com wrote:
> I have the following rewrite rule:
> RewriteRule ^/([^/.]+)\.html$ /loadpage.php?filename=$1
>
> How can I make the server rewrite [filename].html to
> loadpage.php?filename=[filename] only when [filename].html does not
> exist on the server?

To check for an non-existing file, use a condition:

RewriteEngine on
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^/([^/.]+)\.html$ /loadpage.php?filename=$1 [L]

--
Robert