[Users] Are pseudo variables supported in replace()?

Federico Giannici giannici at neomedia.it
Mon Nov 7 14:25:03 CET 2005

Bogdan-Andrei Iancu wrote:
> Hi Federico,
> the usage of pseudo-variables inside the regexp was avoided due 
> performance reasons - all regexp are compiled at startup, they being 
> only evaluated on runtime.
> By having variables into regexp, the compilation of the expression will 
> must be done each time at runtime :(.

What about to implement an "e" regular expressions modifier that make 
the regular expression be evaluated every time?

> there is only one attempt in this direction - it might help you ; see 
> the fm operator in avp_check :
>    http://www.openser.org/docs/modules/1.0.x/avpops.html#AEN325
> or
>    http://www.voice-system.ro/docs/avpops/ar01s06.html#avp_check

I cannot find a way to use it to implement the following.
Do you?

subst( "/^Proxy-Authorization:.*realm=\"$avp(s:realm)\".*\n//i" );


> Federico Giannici wrote:
>> Federico Giannici wrote:
>>> Are pseudo variables sopposed to work in replace() function?
>>> The pseudo variables documentation web page says that they are 
>>> supported only by avpops and xlog, but the OpenSER 1.0.0 announcement 
>>> web page says that they are supported by textops too...
>>> Who is right?
>> Looking at the examples I found that AVPs usage is supported at least 
>> on the "replacement" string of subst(), but it appears to me that it 
>> isn't supported in the regular expression.
>> So, how can I make a regular expression with variable content?
>> Something like the following:
>> subst( "/^Proxy-Authorization:.*realm=\"$avp(s:realm)\".*\n//i" );
>> Thanks.

    |-                      giannici at neomedia.it
    |ederico Giannici      http://www.neomedia.it

         Presidente del cda - NEOMEDIA srl

More information about the Users mailing list