RewriteEngine on
RewriteBase /

# Loop stopping and Virtual document root processing for CGI/PHP
RewriteRule ^/*virtualdr.cgi - [L]
RewriteRule ^/*[^./]+\.[^/]+/.*\.(cgi|php5?)$ virtualdr.cgi [L]
RewriteRule ^/*[^./]+\.[^/]+/.*$ - [L]

# Code for missing Trailing slashe problem 
RewriteCond s%{HTTPS} ^((s)on|s.*)$
RewriteRule ^/*(.+/)?([^.]*[^/])$ http%2://%{HTTP_HOST}/$1$2/ [L,R=301]

# Sub/pointer domain rewrite code 
RewriteCond %{HTTP_HOST} !^(www\.)?(MAINDOMAIN\.?COM|USER) [NC]
RewriteCond %{HTTP_HOST} ^(www\.)?(.*)$ [NC]
RewriteRule ^(.*)$ %2/$1