<IfModule mod_rewrite.c>
RewriteEngine on
 # To append a query string part in the substitution string
RewriteRule ^([0-9a-z_/\-]+)/$ index.php\?p=$1 [QSA]
RewriteRule ^([0-9a-z_/\-]+)$ index.php\?p=$1 [QSA]
</IfModule>