Rewrite rule conversion help - Apache to Nginx

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http://serverfault.com – Looking to convert the follow Apache rewrite rules over to Nginx. We are trying to get this to work on a subdirectory but can't seem to get the syntax down correctly. RewriteRule ^([^//]+)/?(.{2})?/$ index.php?page=$1 [QSA,L] RewriteRule ^([^//]+)/?(.*)?/index([0-9]*).ht(m?ml?)$ index.php?page=$1&rlVareables=$2&pg=$3 [QSA,L] RewriteRule ^([^/][\w\-\_]+)(.+)-l?([0-9]+).ht(m|ml)$ index.php?page=$1&rlVareables=$2&listing_id=$3 [QSA,L] RewriteRule ^((\w{2})/)?([\w-_]{3,})$ index.php?page=$3&lang=$2&account_request [QSA,L] RewriteRule ^([^//]+)/?(^/*)?.ht(m?ml?)$ index. (HowTos)