RewriteEngine On
AcceptPathInfo On

#Fix missing trailing slash character on folders.
RewriteRule ^([^.?]+[^.?/])$ $1/ [R,L]

RewriteCond %{HTTP_HOST} ^(www.)?domain.com$
RewriteCond %{REQUEST_URI} !^/web1/
RewriteRule ^(.*) web1/$1 [NC,L,NS]

RewriteCond %{HTTP:Host} ^(?:subdomain\.domain\.com)?$
RewriteCond %{REQUEST_URI} !^/moodle/
RewriteRule ^(.*) moodle/$1 [NC,L,NS]