Generic htaccess rewrite to HTTPS

.htaccess

# Rewrite non-https to https + www
<IfModule mod_rewrite.c>
    RewriteEngine On
    RewriteCond %{HTTPS} off [OR]
    RewriteCond %{HTTP_HOST} !^www\. [NC]
    RewriteCond %{HTTP_HOST} ^(?:www\.)?(.+)$ [NC]
    RewriteRule ^ https://www.%1%{REQUEST_URI} [L,NE,R=301]
</IfModule>

# Rewrite non-https to https without www
<IfModule mod_rewrite.c>
    RewriteEngine On
    RewriteCond %{HTTPS} off [OR]
    RewriteCond %{HTTP_HOST} ^www\. [NC]
    RewriteCond %{HTTP_HOST} ^(?:www\.)?(.+)$ [NC]
    RewriteRule ^ https://%1%{REQUEST_URI} [L,NE,R=301]
</IfModule>

# Rewrite non-https subdomain to https subdomain
<IfModule mod_rewrite.c>
    RewriteEngine On
    RewriteCond %{HTTPS} off [NC]
    RewriteCond %{HTTP_HOST} ^sub\.domain\.com$ [NC]
    RewriteRule ^ https://%{HTTP_HOST}%{REQUEST_URI} [L,NE,R=301]
</IfModule>