Re: [FWP] IP address regex golf

["Keith Calvert Ivey" <kcivey@cpcug.org>]

John Porter <jdporter@min.net> wrote:

>   require 5.6;
> 
>   $b = eval; # assuming string to test is in $_
>   $a = eval '255.255.255.255';
>   print( ( $a | $b ) eq $a ? "Yes\n" : "No\n" );

Don't you need 'v' in front of those tuples?  Or is that
somehow optional, even though that would break older programs
that concatenated numbers?  I'd have thought the second and 
third lines should be

   $b = eval "v$_";
   $a = v255.255.255.255;

But then I haven't used 5.6 yet.

-- 
Keith C. Ivey <kcivey@cpcug.org>
Washington, DC

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