How to make such a redirect through .htaccess?

Question

htaccess

How to make a proper redirect from example.com and www.example.com and https://www.example.com to https://example.com ?

Answer 1

RewriteEngine On
RewriteCond %{SERVER_PORT} !^443 [OR]
RewriteCond %{HTTP_HOST} !^example\.com [NC]
RewriteRule (.*) https://example.com/$1 [R=301,L]