[РЕШЕНО] Перенаправление средствами bitrix

<IfModule mod_rewrite.c>
Options +FollowSymLinks
RewriteEngine On
RewriteCond %{HTTP_HOST} ^www.site\.ru$ [NC]
RewriteRule ^(.*)$ http://site.ru/$1 [R=301,L]

Redirect 301 /1c-bitrix/demo/ /1c-bitrix/modules/demo/


RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-l
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !/bitrix/urlrewrite.php$
RewriteRule ^(.*)$ /bitrix/urlrewrite.php [L]
RewriteRule .* - [E=REMOTE_USER:%{HTTP:Authorization}]
</IfModule>

if (!strstr($_SERVER['HTTP_HOST'], "www.")) {
   header("HTTP/1.1 301 Moved Permanently");
   $seo_string = "http://www.".$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];
   header("Location:".$seo_string);
   exit();
}