[asterisk-users] Matching "+" at the beginning of the line

[Steve Langstaff]

I came across an issue where the user interface I was using (FreePBX?) to enter expressions was silently swallowing backslash characters (this wasn't regexp, but my dialplan had to add a SIP header with a semicolon in - that was falling foul of the comment character matching for the user interface, so I had to escape it, but that was being stripped elsewere!)

So I wanted the following in the dial plan:

Blah;blah

But I had to enter:

Blah\\;blah

And when this was displayed on the user interface it was shown as:

Blah\;blah

Just a thought.

> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com 
> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of 
> Eugen Rogoza
> Sent: 25 May 2007 15:30
> To: Anthony Francis; asterisk-users at lists.digium.com
> Subject: Re: [asterisk-users] Matching "+" at the beginning 
> of the line
> 
> On Fri, 2007-05-25 at 08:22 -0600, Anthony Francis wrote:
> > Eugen Rogoza wrote:
> > > Hello,
> > >
> > > I'm trying to match a number in international format, 
> like +49XXXX...
> > >
> > > The regexp string "^\+49" doesn't work. Both in $["+49..." : 
> > > "^\+49"] and ${REGEX("^\+49" ${NUMBER})}.
> > >
> > > The error is:  WARNING[12486]: func_strings.c:138 regex: 
> Malformed 
> > > input
> > > REGEX(): Invalid preceding regular expression.
> > >
> > > The regexp expression "^49\+" works. Does Asterisk have problems 
> > > matching the plus at the beginning of the string, or am I 
> escaping 
> > > something incorrectly?
> > >
> > > Eugene
> > >
> > >
> > >
> > >
> > >   
> > That's because you don't dial a + you dial 011 here in 
> America, the + 
> > is meta for insert you international dialing prefix here.
> 
> When receiving calls, I have a number in RURI and "From" 
> field exactly in this international format (with plus) and 
> have to transform it to the usual 0049... That's why I have 
> to match the plus.
> 
> 
> --
> Eugen Rogoza
> VoIP Services
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> Telefax:  +  49  (0) 431  90 20 559
> E-Mail:    eugen.rogoza at freenet-ag.de
> Website: http://www.freenet-ag.de
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