RewriteEngine On RewriteCond %{HTTP_HOST} !^www\. RewriteRule ^(.*)$ https://www.your-domain-goes-here.com/$1 [R=301,L]
If you wish to redirect your domain from www to non-www, place following code to your .htaccess file:
RewriteEngine On RewriteCond %{HTTP_HOST} ^www\. RewriteRule ^(.*)$ https://your-domain-goes-here.com/$1 [R=301,L]
If RewriteEngine On already exists in your .htaccess file, you may remove it.
This example uses https:// protocol. If your domain does not use https, change it to http://