Problem detecting empty REQUEST_URI with Apache mod_rewrite

Question

I am running Apache witha redirect rule like this:

RewriteCond %{HTTP_HOST} ^1st-domain\\.com
RewriteRule ^(.*)$ http://2nd-domain.com$1 [R=permanent,L]
         


        

Answer 1

This worked for me:

RewriteCond %{HTTP_HOST} ^(www\.)?1st-domain\.com$
RewriteCond %{REQUEST_URI} ^/$
RewriteRule .* http://3rd-domain.com/ [L,R=permanent]

RewriteCond %{HTTP_HOST} ^.*$
RewriteRule .* http://2nd-domain.com%{REQUEST_URI} [L,R=permanent]

whitout the quotes on the empty validation