On Thu, Nov 5, 2015 at 12:49 AM, Recursive <li...@binarus.de> wrote:
> Dear all,
>
> I have made a fairly complex dialplan where I am using the REGEX function in
> many places. This works so far, but I wasn't able to solve the following
> problem. What I would like to do is the following (please note that this is
> normal regex syntax and obviously not what the REGEX function expects, but I
> hope it shows the idea):
>
> same => n(A1), GotoIf($[${REGEX("^\+49.*" ${EXTEN})}]?:A2)
>
> This line should make Asterisk jump to label A2 if the extension begins with
> +49. Since the plus sign is a special char in regexes, I have escaped it with
> \ as usual. But that does not work; the pattern is not matched and the goto
> is not executed when the extension begins with +49.
>
> What I already have tried:
>
> 1) same => n(A1), GotoIf($[${REGEX("^\\+49.*" ${EXTEN})}]?:A2)
>
> 2) same => n(A1), GotoIf($[${REGEX("^\\\+49.*" ${EXTEN})}]?:A2)
>
> 3) same => n(A1), GotoIf($[${REGEX("^\\\\+49.*" ${EXTEN})}]?:A2)
>
> 4) same => n, Set(REPAT=^+49.*)
> same => n(A1), GotoIf($[${REGEX(${REPAT} ${EXTEN})}]?:A2)
>
> 5) same => n, Set(REPAT="^+49.*")
> same => n(A1), GotoIf($[${REGEX(${REPAT} ${EXTEN})}]?:A2)
>
> 6) same => n, Set(REPAT=^+49.*)
> same => n(A1), GotoIf($[${REGEX("${REPAT}" ${EXTEN})}]?:A2)
>
> 7) same => n, Set(REPAT="^+49.*")
> same => n(A1), GotoIf($[${REGEX("${REPAT}" ${EXTEN})}]?:A2)
>
> Neither of these worked.
>
> Actually, the REGEX function is not able to handle normal regular
> expressions. To make things worse, there doesn't seem to be any
> documentation. Could anybody please point me to documentation or tell me how
> write that very simple pattern?
>
> Thank you very much,
>
> Recursive
>
> P.S. This happens in Asterisk 13.6.0 - I haven't tested with other versions.
The documentation for that function is available at the CLI "core show
function REGEX" and is available on the wiki at
https://wiki.asterisk.org/wiki/display/AST/Asterisk+13+Function_REGEX
It should be able to handle typical regular expression. I don't see
anything wrong with what you are doing. Please file a bug at
issues.asterisk.org/jira. Do include a debug log on the issue
captured when Asterisk attempts to execute these extensions.
https://wiki.asterisk.org/wiki/display/AST/Collecting+Debug+Information
Thanks,
--
Rusty Newton
Digium, Inc. | Community Support Manager
445 Jan Davis Drive NW - Huntsville, AL 35806 - US
direct: +1 256 428 6200
Check us out at: http://digium.com & http://asterisk.org
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