<IfModule mod_rewrite.c>
RewriteEngine On
RewriteCond %{REQUEST_METHOD} ^TRACE
RewriteRule .* - [F]
RewriteRule ^room([0-9]*)/$ room.php?id=$1 [L,QSA]
RewriteRule ^room([0-9]*)$ room.php?id=$1 [L,QSA]
</IfModule>