How to use .htaccess to redirect www to non-www?

I wanna share you guy this code, it 's very useful for me

Here are the rules to redirect a www URL to no-www:

Code:

---

#########################
# redirect www to no-www
#########################

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

---

Here are the rules to redirect a no-www URL to www:

Code:

---

#########################
# redirect no-www to www
#########################

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

---

Hope it help :)

This is nice code for redirection.

+1, it works