How can I use www to non-www in apache with .htaccess?

How can I use www to non-www in apache with .htaccess?

Before use www to non-www or non-www to www with htaccess,

First, you must activate rewrite module.

Ctrl+v this code in terminal.

sudo a2enmod rewrite

If you finished the rewrite activating, You can use htaccess in apache.

1.www to non-www

RewriteEngine On

RewriteBase /

RewriteCond %{HTTP_HOST} ^www\.(.*)$ [NC]

RewriteRule ^(.*)$ http://%1/$1 [R=301,L]

(ex) www.magsty.net -> magsty.net

2.non-www to www (select one of these.)

RewriteEngine On

RewriteCond %{HTTP_HOST} !^www\. [NC]

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

# Redirect to www

RewriteCond %{HTTP_HOST} ^[^.]+\.[^.]+$

RewriteCond %{HTTPS}s ^on(s)|

RewriteRule ^ http%1://www.%{HTTP_HOST}%{REQUEST_URI} [L,R=301]

(ex) magsty.net -> www.magsty.net

Thanks for watching and write the commet to rewrite request or question