Removing subdomains from a string

akadeco

Hi

Could anyone give me some pointers on how to remove subdomains from a string?

For example:

If the string was bytes.com, it would stay bytes.com
If it was subdomain.bytes.com, it would become bytes.com
If it was subsubdomain.subdomain.bytes.com, it would become bytes.com

Essentially, it just needs to strip off the subdomains and produce the root domain if not already present.

Cheers
akadeco

micmast

I would suggest explode the string and always take the last 2 values of the returned array.

bvdet

To clarify micmast's suggestion, I believe he means split instead of explode.

Expand|Select|Wrap|Line Numbers

 >>> s = 'bytes.com'

>>> '.'.join(s.split('.')[-2:])

'bytes.com'

>>> s = 'subsubdomain.subdomain.bytes.com'

>>> '.'.join(s.split('.')[-2:])

'bytes.com'

>>>

micmast

bvdet, yes you are right :) explode is php syntax.

sorry.

Removing subdomains from a string

re: Removing subdomains from a string

re: Removing subdomains from a string

re: Removing subdomains from a string

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