[Freeswitch-users] Logical AND + NOT

[Avi Marcus]

Not necessarily the best answer, but you can use negative lookahead, e.g.:
(?!399|400)^(\d{3,16})$

See it here: http://www.rubular.com/r/XVTB40DPZZ

Alternatives...
1) A different extension that sets a variable record=false for 400, 399,
and an anti-action sets it to true. (not sure that's exactly the same
though)
2) a short lua script that sets the variable or actually starts the
recording.
3) I'm sure there are other options...

-Avi Marcus


On Tue, Feb 26, 2013 at 10:01 AM, Dmitriy Shumaev <pm_zefman_r at mail.ru>wrote:

> Hi
>
> I want to record all sessions, except calls to group numbers and to IVR.
> So I need something like:
>  <!-- eavesdrop -->
>  <extension name="record_3..16_digits" continue="true">
>    <condition field="${is_already_recording}" expression="^$"/>
>    <condition field="destination_number" expression!="^(400)$"/>  <!--NOT
> EQUAL--><!-- IVR -->
>    <condition field="destination_number" expression!="^(399)$"/>  <!--NOT
> EQUAL--><!-- Group number -->
>    <condition field="destination_number" expression="^(\d{3,16})$">
>  <action application="set" data="RECORD_TITLE=Recording ${caller_id_name}
> ${caller_id_number} to ${destination_number} at ${strftime(%Y-%m-%d
> %H:%M)}"/>
>  <action application="set" data="RECORD_STEREO=true"/>
>  <action application="export" data="ignore_early_media=true"/>
>  <action application="set" data="media_bug_answer_req=true"/>
>  <action application="record_session"
> data="$${base_dir}/recordings/archive/${strftime(%Y-%m-%d-%H-%M-%S)}_${caller_id_name}_${caller_id_number}_2_${destination_number}.mp3"/>
>  <action application="export" data="is_already_recording=true"/>
>    </condition>
>  </extension>
> . But the syntax of condition does not allow the operator "not equal" or
> "!=". What should I do?
>
>
> With best regards, Shumaev DA, KBR Ltd.
>
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