Redirect non www to www Using .htaccess

How to Redirect non www to www Using .htaccess File

This is helpful for resolve canonical issue on your website. Using .htaccess file you can redirect all non-www to www or www to non-www.

#Force non-www:
RewriteEngine on
RewriteCond %{HTTP_HOST} ^www\.example\.com [NC]
RewriteRule ^(.*)$ http://example.com/$1 [L,R=301]

#Force www:
RewriteEngine on
RewriteCond %{HTTP_HOST} ^example.com [NC]
RewriteRule ^(.*)$ http://www.example.com/$1 [L,R=301,NC]