[Freeswitch-dev] Lua session:playAndGetDigits regex

[Robert Clayton]

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.

Bob


On Fri, Mar 27, 2009 at 2:02 PM, Michael Collins <msc at freeswitch.org> wrote:

> 2009/3/27 Robert Clayton <rjcajax at gmail.com>:
> > As I understand it everything entered in square brackets(a character
> class)
> > is literal. In parentheses it is read as a metacharacter.
>
> Character classes have their own rules. I don't recommend using them
> unless you know precisely what you are doing. I like Brian's regex of
> "(\*|\d{6})"
>
> In brackets you have interesting things, like dashes not always being
> dashes and a leading caret meaning negation.
>
> [^A-Z]  <== what does this mean? ;)
>
> In any case, check the regular expressions page on the wiki for more
> online resources.
> -MC
>
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