#RewriteEngine on
#RewriteCond $1 !^(index\.php|images|public|robots\.txt)
#RewriteRule ^(.*)$ /index.php/$1 [L]

Options +FollowSymlinks
RewriteEngine On
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ index.php?/$1 [L]