I have a .htaccess redirect for "non www" like this:

RewriteEngine on
RewriteCond %{HTTP_HOST} !^www\.
RewriteRule ^(.*)$ http://www.%{HTTP_HOST}/$1 [R=301,L]

it is working. But, i have also some subdomains other than www. If I call for example http://shop.example.com it redirects me to: http://www.shop.example.com

I dont want to write the subdomains into the .htaccess file, it should work automatically, just ignore anything else than www and '' like this:

if subdomain =='' -> redirect to www.HTTP_HOST....
elseif subdomain !='' && subdomain !='www' -> do nothing.

thanks!

Accepted Answer

try this:

Options +FollowSymlinks

RewriteEngine On

RewriteCond %{HTTP_HOST}//s%{HTTPS} ^www.(.)//((s)on|s.)$ [NC]

RewriteRule ^ http%3://%1%{REQUEST_URI} [L,R=301]

Just tried it with internetagentur.drupal-webmaster.de (the subdomain) - the main is without www.

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