CodeIgniter how to change default controller

In this video, I'm gone show you how to change the default controller and working with students controller .htaccess file, carefully copy and paste in .htaccess file ========================================== ReWriteEngine on ReWriteCond $1 !^(index\.php|assets|images|css|js|uploads|favicon.png) ReWriteCond %(REQUEST_FILENAME) !-f ReWriteCond %(REQUEST_FILENAME) !-d ReWriteRule ^(.*)$ ./index.php/$1 [L] ==========================================