Redirecting a subsubdomain

Posted by on Tuesday, August 8, 2017

On a recent project that uses a wildcard domain I needed to catch subsubdomains (multiple subdomains) and redirect back to the subdomain.

The specific issue was needed to redirect to just There are plenty of examples to remove www explicitly but since this is a wild card it could be

Here’s the solution I added to the Apache vhost:
RewriteEngine On
RewriteCond %{HTTP_HOST} .+\.(.+)\.example\.com$ [NC]
RewriteRule ^(.*)$$1 [R=301,NC,L]

In the RewriteCond it matches anything up front then captures the subdomain in the parenthesis. Similar to $1 capturing the first match in a RewriteRule, %1 captures the first match in the RewriteCond. The RewriteRule captures everything and puts the URL back together nicely.

Categories: Development

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