CodeIgniter keresőbarát url kialakítás "egyszerűen"

#application/config/config.php
$config['allow_get_array'] = TRUE;
$config['enable_query_strings'] = TRUE;
$config['controller_trigger'] = 'c';
$config['function_trigger'] = 'm';
$config['directory_trigger'] = 'd';

#application/controller/web.php (Nekem ez a main controllerem)
public function index(){
    $item = $_GET['item'];
    if(empty($item)){$item = "index";};
    (..)
};

#.htaccess file
DirectoryIndex index.php
RewriteEngine on
RewriteBase /
RewriteCond %{REQUEST_FILENAME} !-f
#RewriteCond %{REQUEST_FILENAME} !-d
#RewriteCond %{REQUEST_FILENAME} !-l
RewriteRule ^(.*).html$ /index.php?c=web&m=index&item=$1 [L]