Kent,

As u said, ^(200)+$ will match my ASPATHs but not only ...
However, when I configure it, this expression doesn't match ASPATH prepended
like "200 200 200" (but 200 is present !). The not prepended ASPATH (200
only) is matched. I don't understand this behavior.


""Kent Yu""  a icrit dans le message de news:
[EMAIL PROTECTED]
> Stephane,
>
> ^(200)+$  matches  200 or 200200 etc.. Of course, in case of as-path, it
> will only find 200.
>
> You want to use _ to match the space between the as-nums, so IOS will try
to
> match the whole as-path.
>
> HTH
> Kent
> ""Stephane Litkowski""  wrote in message
> [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > Hi all,
> >
> > I'm trying to find a regexp to match AS PATH including AS200 only, but
> AS200
> > can be contained more than one time (AS PATH prepending).
> > Example :
> > 200 -> Match
> > 200 200 -> Match
> > 200 200 200 -> Match
> > 200 200 200 300 -> Don't Match
> >
> > I tried to use this regexp : ^(200)+$ but it doesn't work, why ?
> > However, the regexps : ^(200_)+$ seems to work.
> >
> > Can someone explain me why the first regexp doesn't work ?
> >
> > thanks.
> >
> > Stephane




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