apache - Apache .htaccess 重写为 Nginx (Perch CMS)

Question

如何将这些 Apache 规则转换为 Nginx 服务器块？

RewriteCond %{REQUEST_FILENAME} !-d 
RewriteCond %{REQUEST_FILENAME}\.php -f 
RewriteRule ^(.*)$ $1.php
RewriteCond %{REQUEST_FILENAME}\.html -f 
RewriteRule ^(.*)$ $1.html

Options +FollowSymLinks -MultiViews

RewriteBase /
RewriteCond %{THE_REQUEST} ^[A-Z]+\s.+\.html\sHTTP/.+
RewriteRule ^(.+)\.html $1 [R=301,L]

（它们来自 Perch CMS - grabperch.com）