[asterisk-users] Any Way to Get # Functionality in DISA

Yuan LIU yliu11 at hotmail.com
Fri Feb 9 10:48:21 MST 2007


>From: Steve Murphy <murf at digium.com>
>Date: Fri, 09 Feb 2007 07:11:50 -0700
>
>On Thu, 2007-02-08 at 21:48 -0800, Yuan LIU wrote:
> > >From: "Yuan LIU" <yliu11 at hotmail.com>
> > >Date: Thu, 08 Feb 2007 21:28:03 -0800
> > >Not necessarily.  You only have to program your existing context to 
>handle
> > >trailing # when it comes along.  For example, this simplistic example
> > >ignores trailing #'s:
> > >
> > >exten => _Z., 1, GotoIf($[${EXTEN:-1} = #]?${EXTEN:1},1:2)
> > >exten => _Z., 2, whatever...
> >
> > Or simply add
> >
> > exten => _Z.[#*].,1, Goto($[${EXTEN} : \([0-9]*\)],1)
> >
> > to an existing context to ignore anything after first # or *.
>
>Nope. The "." can only be at the end. It matches all remaining chars.
>This is not a real fancy pattern matcher. I've seen all sorts of requests
>for a regex there, but the complexity of a regex state-machine in that
>code is staggering!

Thanks for pointing out, Steve - just spent two sleepless hours swallowing 
my own pill:-)  Well Asterisk has one regex engine already, then that's 
alright.

Yuan Liu




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