[OpenSIPS-Users] Regex to test variable

[Mark Farmer]

Thanks for the reply!

I've changed my regex to

if ($avp(audio_stream) =~ "^m=audio.*101\r\n")

Tried with and without escaping the equals sign but still not matching.
Also changed to using an avp.

Mark.


On Wed, 25 Nov 2020 at 15:54, M S <medeanwz at gmail.com> wrote:

> something with your regex. each header has a \r\n in the end too, also I'm
> not sure you need \ before =
>
> On Wed, Nov 25, 2020 at 4:26 PM Mark Farmer <farmorg at gmail.com> wrote:
>
>> Hi everyone
>>
>> I am trying to detect a string using sdp.line,m and a regex pattern but
>> it is failing to match.
>> I am trying to match the 101 at the end of the m=audio line:
>>
>> m=audio 25224 RTP/AVP 8 18 101
>>
>> This is my code:
>>
>> if (is_method("INVITE") && has_body_part("application/sdp")) {
>>                 $var(audio_stream) = $(rb{sdp.line,m});
>>                 xlog("CUSTOM_LOG: Audio stream is $var(audio_stream)\n");
>>                 if ($var(audio_stream) =~ "^m\=audio.*101$") {
>>                         $var(dtmf_compat)=1;
>>                 } else $var(dtmf_compat)=0;
>>                 if ($var(dtmf_compat)=0) {
>>                         xlog("CUSTOM_LOG: Would do something else now");
>>                 }
>>                 xlog("CUSTOM_LOG: DTMF validity = $var(dtmf_compat)");
>>         }
>>
>> I can see that var(audio_stream) is being set correctly:
>> CUSTOM_LOG: Audio stream is m=audio 25914 RTP/AVP 8 18 101
>>
>> But it seems not to match:
>> CUSTOM_LOG: DTMF validity = 0
>>
>> Is anyone able to help me solve this please?
>>
>> Many thanks!
>> Mark.
>>
>>
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-- 
Mark Farmer
farmorg at gmail.com
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