RewriteRule ^([0-9]{4})/([0-9]{2})/([0-9]{2})/page,([0-9]+),([0-9]+),(.*).html(/?)+$
index.php?subaction=showfull&year=$1&month=$2&day=$3&news_page=$4&cstart=$5& news_name=$6&seourl=$6 [L]
зачем тут запятые? что они обозначают?
RewriteRule ^([0-9]{4})/([0-9]{2})/([0-9]{2})/page,([0-9]+),([0-9]+),(.*).html(/?)+$
index.php?subaction=showfull&year=$1&month=$2&day=$3&news_page=$4&cstart=$5& news_name=$6&seourl=$6 [L]