[OpenSER-Users] avp_subst and regex

[Zahid Mehmood]

Thank you Daniel for the info.

Very helpful since I have another scenario where I need to "insert"  
digits based on the pattern match.

-- 
Zahid

On Aug 2, 2007, at 6:05 AM, Daniel-Constantin Mierla wrote:

> Hello,
>
> indeed there seems to be an issue with interpreting the strings in  
> config file, before getting to avpops function parameters. When the  
> config file is parsed, inside the string, \[0-7]{2,3} is  
> interpreted as a ASCII code in octal base and replaced with its  
> code. Try:
>
> avp_subst("$avp(s:fromuri)","/^(sip:)([134][0-9]{4}@.*)/\\\x01121285 
> \2/");
>
> However, in 1.2 you can achieve same by:
>
> $avp(s:fromuri) ="sip:121285"+$(avp(s:fromuri){uri.user}) + "@" + $ 
> (avp(s:fromuri){uri.domain});
>
> Cheers,
> Daniel
>
>
> On 08/01/07 19:06, Zahid Mehmood wrote:
>> Hi,
>>    I am trying to rewrite a 5 digit number to a 11 digit number by  
>> adding a prefix "121285".  To achieve that I use the following:
>>
>>
>> avp_subst("$avp(s:fromuri)","/^(sip:)([134][0-9]{4}@.*)/\1+121285 
>> \2/");
>>
>> in openser.log   new fromuri = sip:+12128512345 at host.columbia.edu
>>
>> It works fine because of the "+" after \1
>>
>> This avp_subst does not work properly if the "+" is taken out.   
>> How can I use "\1" followed by another digit?
>>
>> avp_subst("$avp(s:fromuri)","/^(sip:)([134][0-9]{4}@.*)/\1121285 
>> \2/");
>>
>> in openser.log:  new fromuri = J128512345 at host.columbia.edu
>>
>>
>> What am i doing wrong?
>>
>> Thanks in advance for your help.
>>