routing / remapping / default_controller question

[eluser]melpuggi[/eluser]
[quote author="pyromaniac" date="1229727600"]

Code:

$route['([a-z_-]+)/(.*)'] = "$1/$2";
$route['([a-z_-]+)'] = "page/index/$1";

$route['default_controller'] = "page";
$route['scaffolding_trigger'] = "";

oh thank you