<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
</IfModule>


.htacces bu,

RedirectMatch 301 ^/([a-zA-Z0-9]*)/$ http://siteniz.com/$1.html bu işe yaramadı:S