I am new in mod_rewrite. I got some code from internet, like this:
RewriteEngine on
RewriteBase /
rewriteCond %{HTTP_HOST} ^(www\.)?([^.]+)\.example\.com [NC]
rewriteRule ^(.*)$ %2/$1 [L]
At above code, what is the %2 and $1 means?
I also found some code using %3 and $2, etc. what is means?
Thank you in advanced.