AddDefaultCharset utf8
<IfModule mod_rewrite.c>
    RewriteEngine On
    RewriteBase /

    RewriteCond %{REQUEST_URI} ^\/$
    RewriteCond %{HTTP_HOST} ^([^www].*)$
    RewriteRule ^(.*)$ http://www.%1/$1 [L,R=301]
    
    RewriteCond %{REQUEST_URI} !\?
    RewriteCond %{REQUEST_URI} !\&
    RewriteCond %{REQUEST_URI} !\=
    RewriteCond %{REQUEST_URI} !\.
    RewriteCond %{REQUEST_URI} \/$
    RewriteCond %{HTTP_HOST} ^www\.(.*)$
    RewriteRule ^(.*)\/$ http://www.%1/$1 [L,R=301]
    
    RewriteCond %{REQUEST_URI} !\?
    RewriteCond %{REQUEST_URI} !\&
    RewriteCond %{REQUEST_URI} !\=
    RewriteCond %{REQUEST_URI} !\.
    RewriteCond %{REQUEST_URI} !\/$
    RewriteCond %{HTTP_HOST} ^([^www].*)$
    RewriteRule ^(.*)$ http://www.%1/$1 [L,R=301]
    
    RewriteCond %{REQUEST_URI} !\?
    RewriteCond %{REQUEST_URI} !\&
    RewriteCond %{REQUEST_URI} !\=
    RewriteCond %{REQUEST_URI} !\.
    RewriteCond %{REQUEST_URI} \/$
    RewriteCond %{HTTP_HOST} ^([^www].*)$
    RewriteRule ^(.*)\/$ http://www.%1/$1 [L,R=301]
    
    RewriteRule ^home$ / [R=301,L]
    RewriteRule ^([\w\W]*)/$ /$1 [R=301,L]

    RewriteCond %{THE_REQUEST} ^[A-Z]{3,9}\ /.*index\.php\ HTTP/
    RewriteRule ^(.*)index\.php$ /$1 [R=301,L]

    #Removes access to the system folder by users.
    #Additionally this will allow you to create a System.php controller,
    #previously this would not have been possible.
    #'system' can be replaced if you have renamed your system folder.
    RewriteCond %{REQUEST_URI} ^system.*
    RewriteRule ^(.*)$ /index.php?/$1 [L]
    
    #When your application folder isn't in the system folder
    #This snippet prevents user access to the application folder
    #Submitted by: Fabdrol
    #Rename 'application' to your applications folder name.
    RewriteCond %{REQUEST_URI} ^application.*
    RewriteRule ^(.*)$ /index.php?/$1 [L]

    #Checks to see if the user is attempting to access a valid file,
    #such as an image or css document, if this isn't true it sends the
    #request to index.php
    RewriteCond %{REQUEST_FILENAME} !-f
    RewriteCond %{REQUEST_FILENAME} !-d
    RewriteRule ^(.*)$ index.php?/$1 [L]
</IfModule>

<IfModule mod_expires.c>
    ExpiresActive On
    ExpiresDefault A0

    # 1 YEAR
    <FilesMatch "\.(flv|ico|pdf|avi|mov|ppt|doc|mp3|wmv|wav)$">
    ExpiresDefault A29030400
    </FilesMatch>

    # 1 WEEK
    <FilesMatch "\.(jpg|jpeg|png|gif|swf|txt|xml|js|css)$">
    ExpiresDefault A604800
    </FilesMatch>
</IfModule>