.htaccess redirect loop! All subdirectories to root

I'm trying to redirect all subdirectories to the root of my website via .htaccess! The code below works fine if I try to access a subdirectory ... but doesn't let me display t开发者_StackOverflow中文版he index page in the root because starts a loop of redirects!

RedirectMatch temp ^/.*$ http://localhost/

How can I solve this?

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If you want all subdirectores to redirect to the home page, you would do something like this:

RedirectMatch temp ^/.+/.*$ http://localhost/

This will match any URI with two slashes in it, with at least one character between them.