<IfModule mod_rewrite.c>
RewriteEngine on
RewriteCond $1 !^(index\.php|assets|images|css|js|robots\.txt|favicon\.ico)
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ ./index.php?/$1 [L,QSA]
</IfModule>
<IfModule !mod_rewrite.c>
    ErrorDocument 404 ./index.php 
</IfModule>