.htaccess problem

[Elrion93]

Hi. First of all, sorry for my english.

I want to redirect non-www url to www, and i have this code:
RewriteCond %{HTTP_HOST} !^www\.
RewriteRule ^(.*)$ [%{HTTP_HOST}$1...] [R=301,L]

The problem is that if i want to navigate to [localhost...] Apache redirects to www.localhost.com, and i don't want it.

Thanks.

[g1smd]

This change, or something similar:

RewriteCond %{HTTP_HOST} !^(localhost|www\.)

[Elrion93]

Thanks a lot! You are my new god :D