[Freeswitch-dev] Lua session:playAndGetDigits regex

[Robert Clayton]

Michael,

Simple Working Reference:
agent_id = session:playAndGetDigits(1, 6, 2, 10000,"#",
"c:/DictationProject/audio/Validating.wav", "", "23");

Entering 45 returned nothing as expected, entering 23 returned 23 as
expected.
-------------------------------------------------------------------------

Literal asterisk using parentheses:
agent_id = session:playAndGetDigits(1, 6, 2, 10000,"#",
"c:/DictationProject/audio/Validating.wav", "", "(\*)");

Entering a single asterisk and waiting for timeout, and the timeout occurred
as expected.
Error created:
2009-03-27 14:59:47 [ERR] switch_regex.c:184 switch_regex_match_partial()
Regular Expression Error expression[(*)] error[nothing to repeat]
location[1]

Entering a single asterisk and a terminating #, the asterisk created an
immediate timeout as expected.
Error created:
2009-03-27 15:00:26 [ERR] switch_regex.c:184 switch_regex_match_partial()
Regular Expression Error expression[(*)] error[nothing to repeat]
location[1]
-------------------------------------------------------------------------

Literal asterisk without parentheses:
agent_id = session:playAndGetDigits(1, 3, 2, 10000,'#',
'c:/DictationProject/audio/Validating.wav', '', "\*");

Entering a single asterisk and waiting for timeout, and the timeout occurred
as expected.
Error created:
2009-03-27 15:02:14 [ERR] switch_regex.c:184 switch_regex_match_partial()
Regular Expression Error expression[*] error[nothing to repeat] location[0]

Entering a single asterisk and a terminating #, the asterisk created an
immediate timeout as expected.
Error created:
2009-03-27 15:02:58 [ERR] switch_regex.c:184 switch_regex_match_partial()
Regular Expression Error expression[*] error[nothing to repeat] location[0]
-------------------------------------------------------------------------

The error message correctly denoted the proper positions if the asterisk is
being evaluated as a metacharacter, as well as looking for something to
repeat.

Bob

On Fri, Mar 27, 2009 at 2:29 PM, Michael Collins <msc at freeswitch.org> wrote:

> 2009/3/27 Robert Clayton <rjcajax at gmail.com>:
> > Michael,
> >
> > I liked "(\*|\d{6})" also but when entered in:
> >
> > agent_id = session:playAndGetDigits(1, 3, 2, 10000,'#',
> > 'c:/DictationProject/audio/Validating.wav', '', "(\*|\d{6})");
> >
> > Creates the error:
> >
> > 2009-03-27 14:05:36 [ERR] switch_regex.c:184 switch_regex_match_partial()
> > Regula
> > r Expression Error expression[(*|d{6})] error[nothing to repeat]
> location[1]
> >
> > The escape characters seem to disappear and FS attempts to use the, /* an
> > asterisk character, as * a metecharacter.
>
> for kicks try it with only one or the other, that is, with only
> (\d{6}) or with only (\*) and see if you get that error. I'm curious
> where it's bombing out. I think that test will help us figure out what
> is going on.
> -MC
>
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