RewriteEngine On
RewriteBase /

RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d 
RewriteRule ^(.*)p/([0-9,a-z,A-Z]*)_([0-9]+)\.html$ $1/article\.php\?pd=$2&id=$3
RewriteRule ^(.*)p/([0-9,a-z,A-Z]*)_([0-9]+)_([0-9]+)\.html$ $1/article\.php\?pd=$2&id=$3&page=$4