<IfModule mod_rewrite.c>
   RewriteEngine on
   RewriteOptions MaxRedirects=1
   RewriteBase /
   RewriteCond %{REQUEST_FILENAME} !-f
   RewriteCond %{REQUEST_FILENAME} !-d
   RewriteCond %{REQUEST_FILENAME} !-l
   RewriteRule ^(.*)/([a-zA-Z0-9_-]+)$ $1/redir.php?u=$2
</IfModule>

