[c-nsp] community-list regexen

[MacKinnon, Ian]

Well in that case I think it gets much more complicated and you have to
break it down into blocks that you can build a regexp for.
1638[5-9] and 1639[0-9] and 164[0-9][0-9][0-9] and ...... Etc

O'Reilly have a good regexp book if that helps




> -----Original Message-----
> From: christian.macnevin at uk.bnpparibas.com 
> [mailto:christian.macnevin at uk.bnpparibas.com] 
> Sent: 06 May 2005 15:32
> To: MacKinnon, Ian
> Cc: cisco-nsp at puck.nether.net
> Subject: RE: [c-nsp] community-list regexen
> 
> 
> Hm. Yeah, the difficult bit is that the ranges are more like 
> 16384 - 16639
> and 16640 - 16895..
> 
> 
> 
> 
> Internet
> Ian.MacKinnon at thus.net - 06/05/2005 15:25
> 
> 
> To:    Christian MACNEVIN, cisco-nsp
> 
> cc:
> 
> 
> Subject:    RE: [c-nsp] community-list regexen
> 
> 
> Well a normal regexp would be something like [12][0-9][0-9]
> Ie 1 or 2 followed by 2 digits
> As to how to apply that to bgp, that's left as an exercise 
> for the reader
> :)
> 
> > -----Original Message-----
> > From: christian.macnevin at uk.bnpparibas.com
> > [mailto:christian.macnevin at uk.bnpparibas.com]
> > Sent: 06 May 2005 15:21
> > To: cisco-nsp at puck.nether.net
> > Subject: [c-nsp] community-list regexen
> >
> >
> > Hi,
> > I want to match against a range of possible community values, like
> > <asn>:100-200 and am feeling a bit thick. What is the exact 
> syntax for
> > this? Is it even possible?
> > Cheers,
> > Christian
> >
> >
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