RewriteEngine on
RewriteRule ([a-z]{1,10})_vl_([\w]{3,8})_(url|pages)_(\w*)\.html$ $1.php?vl=$2&$3=$4
RewriteRule ([a-z]{1,10})_vl_([\w]{3,8}).html$ $1.php?vl=$2
RewriteRule (wyfp|gbook|allmap|lianmeng|search).html$ $1.php
RewriteRule vl_([\w]{3,8})_pages_(\d*).html$ ?vl=$1&pages=$2
RewriteRule vl_([\w]{3,8}).html$ ?vl=$1