If you're talking about good software design, you shouldn't be parsing IPv4 addresses with regexen in the first place. I took the OP as a clever puzzle and nothing more. I think it's unfair to judge it on the basis of good practices.

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: () { :|:& };:

Note: All code is untested, unless otherwise stated

In reply to Re: Re: Re: Can you spot the problem? by hardburn
in thread Can you spot the problem? by dws

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