.htaccess https and www redirection

RewriteEngine On
RewriteCond %{HTTPS} off



RewriteRule .* https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]


RewriteCond %{HTTP_HOST} !^www. [NC]
RewriteRule .* https://www.%{HTTP_HOST}%{REQUEST_URI} [L,R=301]