How to redirect all addresses except those with "html" at the end?

Question

htaccess

There is a regular expression that redirects from pages without a slash to pages with a slash. Please help change it so that all pages except those with ".html" at the end are redirected.

RewriteBase /
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_URI} !(.*)/$
RewriteRule ^(.*[^/])$ $1/ [L,R=301]

Answer 1

RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_URI} !\.html$
RewriteRule ^(.*[^/])$ /$1/ [L,R=301]