Have you tried removing other lines one by one and testing it? I think you'll need the .php on windows.php though, as that's the name of the original file, isn't it?

Also, I tend to use this to strip the .php from the filenames:

  RewriteCond %{REQUEST_FILENAME} !-d
  RewriteCond %{REQUEST_FILENAME}\.php -f
  RewriteRule ^(.*)$ $1.php

Thanks Martin but unfortunately, that still doesn't resolve the issue.

Hi Drew,

I am getting a 404 error now.

Hi drew,

Yes I have tried that with no success

Thanks for the help but I have now managed to sort it out.

What I did was this...

.htaccess

RewriteRule ^windows/([a-zA-Z0-9-/]+)$ /windows.php?s=$1 [L]

list.html template

<a href="<perch:content id="_page" type="hidden" replace=".php|/" /><perch:content id="slug" type="slug" />">

I will need to add a new .htaccess rule for every page that will be using the list/detail template but does exactly what I need it to do.

Thanks again

Great stuff! Glad you cracked it :)