[SR-Users] get first occurrence value of a param in a string

[Ali Taher]

Hello,

I need to get the value of first tgrp param in this string :
$var(x) = <sip:xxxxxxxxx;tgrp=0001000;trunk-context=xx.xx.xx.xx at xx.xx.xx.xx:5060;transport=UDP;user=phone;tgrp=237>

I'm trying $var(y) = $(var(x){param.value,tgrp});  but it's getting the last value of tgrp which is "237>".

Noting that first tgrp is not always in the second index , some other parameters can be added to the string.

How to get the value of first occurrence of  tgrp param ?

Regards,
Ali Taher
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