[Freeswitch-users] Dialplan XML/PCRE Question: Examples 3, 4, 5 from wiki, escaped parens?

[Brian West]

what part?  Because the ip example should be.  This ^00\(.+\)$ I  
think should be ^00(.+)$

/b

On Oct 4, 2007, at 5:42 AM, Jason Garland wrote:

> It looks like they should not be escaped. Can you fix it on the wiki?
>
> Sent from my iPhone
>
> On Oct 3, 2007, at 6:27 PM, "Michael Collins" <mcollins at fcnetwork.com>
> wrote:
>
>> Guys,
>>
>> Quick question.  On the wiki I noticed that examples 3, 4, and 5 all
>> use
>> escaped parentheses, whereas examples 1 and 2 do not.
>>
>> Example 3:
>> <extension name="Test3">
>>  <condition field="destination_number" expression="^00\(.+\)$">
>>    <action application="bridge"
>> data="sofia/profilename/$1 at 192.168.2.2"/>
>>  </condition>
>> </extension>
>>
>> Example 2:
>> <extension name="Test2">
>>  <condition field="network_addr" expression="^192\.168\.1\.1$"/>
>>  <condition field="destination_number" expression="^1(\d+)$">
>>    <action application="bridge"
>> data="sofia/profilename/$0 at 192.168.2.2"/>
>>  </condition>
>> </extension>
>>
>> (Note the expressions following the 'destination_number' fields.)
>>
>>
>> Is this a typo?  I just want to be sure that I am reading this
>> correctly.  Seeing escaped parens in a PCRE tells me that the
>> expression
>> is attempting to match literal paren characters.  Additionally, using
>> ".+" might not be correct here, either.  It means, "match one or
>> more of
>> any character, maximal."  If I'm reading the author's intentions
>> correctly, in example 3 he wants to capture the digits after the 00,
>> so
>> in the case of "00123456789" he wants $1 populated with "123456789".
>> Correct me if I'm wrong, but shouldn't the condition and expression
>> look
>> like this?
>>
>> <condition field="destination_number" expression="^00(\d+)$">
>>
>> Here the expression is saying, "Match a string of all digits  
>> beginning
>> with two zeroes; capture the digits following the two zeroes and  
>> store
>> them in $1."
>>
>> I didn't want to change the documentation without a second opinion.
>> (FYI, I can't test it right now b/c I don't have a running FS system
>> at
>> the moment...)
>>
>> Thanks,
>> MC
>>
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