How to Redirect Non - WWW and WWW to Non - WWW

There are two way to redirect the doamin one is www to non-www and another one is non-www to www. Add the rules in .htaccess file

How to redirect www to non-www:

RewriteEngine On

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

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

RewriteEngine On

RewriteCond %{HTTP_HOST} ^(?!www\.)(.+) [NC]

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