[SR-Users] subst query

[John Petrini]

Your first group is matching From:
<sip:anonymous@[2008:abcd:1234:2260:208:5dff:fe93:5b6
but it looks like you want it to only match <sip:anonymous at . Try escaping
the brackets, the regex engine is interpreting them as a list instead of
matching the literal "[]" characters.

subst('/^From:(.*)\[2008:abcd:1234:2260:208:5dff:fe93:5b65\](
.*)>(.*)/From:\1[2008:abcd:1234:2260:20c:29ff:fe9a:b9cb]>\3/ig');


John Petrini
Platforms Engineer

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On Mon, Jul 2, 2018 at 9:40 AM, mahesh b <mahesh.b.2487 at gmail.com> wrote:

> Thanks John for the Reply.
>
> So if i understand properly :
> group 1 is here  <sip:anonymous@
> group 2 is empty
> group 3 is  ;tag=41008079_nab_FFFF_isp_FFFF_cco_FFFF_igo_FFFF_mgt_78DD
>
> the previous expression is working for IPv4.
>
>
> Now for IPv6
>
> Input         :           From: <sip:anonymous@[2008:abcd:
> 1234:2260:208:5dff:fe93:5b65]>;tag=42006C96_nab_FFFF_isp_
> FFFF_cco_FFFF_igo_FFFF_mgt_8092
> subst('/^From:(.*)[2008:abcd:1234:2260:208:5dff:fe93:5b65](
> .*)>(.*)/From:\1[2008:abcd:1234:2260:20c:29ff:fe9a:b9cb]>\3/ig');
> Output      :           From: <sip:anonymous@[2008:abcd:
> 1234:2260:208:5dff:fe93:5b6[2008:abcd:1234:2260:20c:29ff:
> fe9a:b9cb]>;tag=42006C96_nab_FFFF_isp_FFFF_cco_FFFF_igo_FFFF_mgt_8092
> //what is going wrong here?
>
> Here
> group 1 is   <sip:anonymous@
> group 2 is empty
> group 3 is  ;tag=42006C96_nab_FFFF_isp_FFFF_cco_FFFF_igo_FFFF_mgt_8092
>
> what mistake am i making for IPv6 ? if you see the output.
>
> Regards,
> Mahesh.b
>
>
> On Mon, Jul 2, 2018 at 6:54 PM John Petrini <jpetrini at coredial.com> wrote:
>
>> They are references to groups in the regex match. The groups are in
>> parenthesis. Whatever is matched by group 1 and 3 will be included in the
>> substitution.
>>
>> https://regexr.com/ and https://regex101.com/ are both good sites for
>> building and explaining regexes.
>> _______________________________________________
>> Kamailio (SER) - Users Mailing List
>> sr-users at lists.kamailio.org
>> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>>
>
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