Hiding Default Controller Name in Codeigniter - php

Question

When my website opens for the first time , it directly goes to this address: http://www.website.com/tr/main
But I want my link to be like this: http://www.website.com/
I can't remove "tr/main" links. How can I solve this problem?
Php Code:
$route['default_controller'] = "main";
$route['404_override'] = '';
$route['(tr|en)/(.+)$'] = '$2';
$route['(tr|en)$'] = $route['default_controller'];
Htaccess Code:
RewriteEngine On
# Put your installation directory here:
# If your URL is www.example.com/, use /
# If your URL is www.example.com/site_folder/, use /site_folder/
RewriteBase /
# Do not enable rewriting for files or directories that exist
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
# For reuests that are not actual files or directories,
# Rewrite to index.php/URL
RewriteRule ^(.*)$ index.php/$1 [PT,L]

Answer 1

In your config.php file write this code :-
$config['base_url']='http://Your Path/';
$config['index_page'] = '';
$config['uri_protocol'] = 'AUTO';
$config['subclass_prefix'] = 'Base';
In your routes.php file write this code :-
$route['default_controller'] = "home";
$route['404_override'] = '';

Answer 2

Write the follwing code in your routes.php file :-
$route['default_controller'] = "main";
$route['404_override'] = '';
and then in your "main" controller i.e in main.php use
function index()
{
// write all your code inside this function
}