From: Andy Hogard (andyhogard@gmail.com)
Date: Thu Dec 18 2008 - 05:07:05 ARST
Sorry one last final correction, ^\(([0-9]*_)?\)$ <==> ^(\(.+\))?$ . Yep
are the two regexp the same ?! :)
Might have looked like I was just losing my remaning hair over it.. lol.
Greets!
On Thu, Dec 18, 2008 at 12:18 PM, Andy Hogard <andyhogard@gmail.com> wrote:
> Actually looks like I made a small typo, it should be is ^(\([0-9]*_)?\)$
> <==> ^(\(.+\))?$ ..!? :)
>
>
> Regards,
> Andy,
>
> PS: I will consider regexp done if I get this correct!! :D
>
> On Thu, Dec 18, 2008 at 12:13 PM, Andy Hogard <andyhogard@gmail.com>wrote:
>
>> Hi folks,
>>
>>
>> I just wanted to know whether ^(\([0-9]*_\))?$ <==> ^(\(.+\))?$ ..?!
>> Let me know what you think, my goal was to prevent a confederated AS from
>> becoming a transit path, the reg exp that you see on your left is what I
>> came up with and on the left that's a well know one from the IE blog. To me
>> both seem to be the same,
>>
>> I will try and explain in brief here:
>>
>> (65535 64512 64513) thats how the as path would be like for the routes
>> that originated within the AS. I need to match these and be able to export
>> these out to the external AS ..whereas others which have (65535 64512 64513)
>> 100 200 300 must be blocked.
>>
>> So [0-9] is my atom here, since I can have zero or multiple instances of
>> these will use it with a *
>>
>> Hence arrive at [0-9]* , I need to match ( ) which is a special character
>> so I will use "\", but before that a bracket operation for my atom. And
>> obviously I will encose them within ^$, as thats what I need in my as path.
>> My doubt here is that do I have to use [0-9]*_ as my atom or is just [0-9]*
>> enough to match the blank spaces separating the two intra confed as nos. ya.
>>
>>
>> Let your thoughts and comments flow
>>
>>
>> Regards,
>> Andy.
>> --
>> My Blog URL: http://ccieno.blogspot.com/
>>
>
>
>
> --
> My Blog URL: http://ccieno.blogspot.com/
>
-- My Blog URL: http://ccieno.blogspot.com/Blogs and organic groups at http://www.ccie.net
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