DLE - how to redirect from www to without www?

Question

Search Engine Optimization

On the main page, the redirect from www goes to "without www", but there is no redirect in the full news.
Home - the redirect works.
News - the redirect does not work.

Answer 1

oh, even with telepathy, everything is bad with me today, can you post your version?

RewriteCond %{HTTP_HOST} ^www\.(.*) [NC]
RewriteRule ^(.*)$ http://%1/$1 [R=301,L]