re Challenge: More Compact?

[Roman Suzi]

On 15 Jul 2001, Tim Daneliuk wrote:

>The following re is (I think) the description of a legitimate IP addess in
>"quad" format (IPV4).  My question is, can it be made even shorter?
>
>ipquad   = r"^((\d\d?\d?\.){3}(\d\d?\d?))$"

ipquad   = r"^((\d{1,3}\.){3}(\d{1,3}))$"

(Why not just split(it, ".") ?)

Sincerely yours, Roman Suzi
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