/tag/id/
rewrite ^(.*)tag/([0-9]+)/$ $1e/tags/?tagid=$2 last;
rewrite ^(.*)tag/([0-9]+)/([0-9]+)/$ $1e/tags/?tagid=$2&page=$3 last;
rewrite ^([^\.]*)/tag/list_([0-9]+)_([0-9]+)$ $1/e/tags/itaglist.php?cid=$1&page=$2 last;
rewrite ^([^\.]*)/tag/list_([0-9]+)$ $1/e/tags/itaglist.php?cid=$1 last;
/tag/id.html
rewrite ^([^\.]*)/tag/([a-z0-9]+)_([0-9]+).html$ $1/e/tags/itag.php?tagid=$2&page=$3 last;
rewrite ^([^\.]*)/tag/([a-z0-9]+).html$ $1/e/tags/itag.php?tagid=$2 last;
rewrite ^([^\.]*)/tag/list_([0-9]+)_([0-9]+)$ $1/e/tags/itaglist.php?cid=$1&page=$2 last;
rewrite ^([^\.]*)/tag/list_([0-9]+)$ $1/e/tags/itaglist.php?cid=$1 last;
/tag/pinying.html
rewrite ^([^\.]*)/tag/([a-z0-9]+)_([0-9]+).html$ $1/e/tags/itag.php?py=$2&page=$3 last;
rewrite ^([^\.]*)/tag/([a-z0-9]+).html$ $1/e/tags/itag.php?py=$2 last;
rewrite ^([^\.]*)/tag/list_([0-9]+)_([0-9]+)$ $1/e/tags/itaglist.php?cid=$1&page=$2 last;
rewrite ^([^\.]*)/tag/list_([0-9]+)$ $1/e/tags/itaglist.php?cid=$1 last;