HTTPS redirect in the .htaccess file code example
Example 1: htaccess redirect to https
RewriteEngine On
RewriteBase /
RewriteCond %{HTTPS} !=on
RewriteCond %{HTTP_HOST} ^yourdomain\.com [OR]
RewriteCond %{HTTP_HOST} ^www\.yourdomain\.com
RewriteRule .* https://yourdomain.com%{REQUEST_URI} [R=301,L]
Example 2: http redirect to https htaccess
RewriteEngine On
RewriteCond %{HTTPS} !on
RewriteCond %{REQUEST_URI} !^/[0-9]+\..+\.cpaneldcv$
RewriteCond %{REQUEST_URI} !^/\.well-known/pki-validation/[A-F0-9]{32}\.txt(?:\ Comodo\ DCV)?$
RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]