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kgaughan/Regular expression for checking if a domain name is well formed.

Created December 1, 2008 17:39
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Regular expression for checking if a domain name is well formed.
~^(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)*[a-z](?:[a-z0-9-]*[a-z0-9])$~
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