.htacces and routes for codeigniter

 .htaccess for remove index.php page

RewriteEngine on

RewriteCond $1 !^(index\.php)

RewriteCond %{REQUEST_FILENAME} !-f

RewriteCond %{REQUEST_FILENAME} !-d

RewriteRule ^(.*)$ index.php?$1 [L]

routes for remove default controller 

$route['^(?!other|controller).*'] = 'welcome/$0';

prevent direct access of the page

defined('BASEPATH') OR exit('No direct script access allowed');