Hello,
please help me converte apache rewrite rule to nginx:

RewriteEngine on
RewriteBase /
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^naujienos+ news.php/$1 [L]
RewriteRule ^naujienos/p(.*)$ /news.php?pg=$1 [nc]
RewriteRule ^naujienos/?$ /news.php [nc]
RewriteRule ^naujienos?$ /news.php [nc]