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Re: [FWP] IP address regex golf



At 11:24 PM 4/28/00 -0500, Keith Calvert Ivey wrote:
>At 28 Apr 00 17:41, Peter Scott <Peter@PSDT.com> wrote:
>
>Peter Scott <Peter@PSDT.com> wrote:
>
> >    /^(\d+)\.(\d+)\.(\d+)\.(\d+)$/&&!((1|$1|$2|$3|$4)&256)
>
>That doesn't work.  Try 512.1.1.1, for example, or anything
>else that has a number greater than 256 without the 256 bit
>set.  Try this:
>
>     /^(\d+)\.(\d+)\.(\d+)\.(\d+)$/&&($1|$2|$3|$4)<256

You're going to need that 1| in front of that chain though, otherwise it 
does  a stringwise or.



--
Peter Scott
Pacific Systems Design Technologies


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