Re: [boost] Repeating sub_match's, nested expression matching

From: Spinka, Kristofer (kspinka_at_[hidden])
Date: 2003-12-06 01:58:24

Thank you!  I really appreciate you looking into this.

I would like to add that Regex++ is by far the best 
compromise of programming efficiency and performance.

I appreciate your devotion to this project.

   /kristofer

On Fri, 5 Dec 2003 12:06:28 -0000
  "John Maddock" <john_at_[hidden]> wrote:
>>    I see this has been brought up time after time,
>> however, I think this is a very valuable feature.
>>  Microsoft's .NET regular expression object supports 
>>this
>> and I find it very useful.  I use a little tool called
>> Expresso to test regular expression patterns, if you 
>>want
>> to try some tests.
>>
>>    It would be nice if the sub_match struct had a
>> collection member, also accessible by an index operator
>> ([]), that would normally be null, unless there were
>> sub_match?s.  Also, the existing cast operator for the
>> string could be expanded to iterate through them.
>>
>>    Is something like this in the works?  Or maybe even
>> already available?
>
>No it's not available, and I've tended to resist this in 
>the past mainly on
>efficiency grounds - however having had a quick look at 
>the source I think
>it can be added fairly easily - let me experiment a 
>little and I'll see how
>it works out.  However, with the next release due real 
>soon now, I can't
>promise that this will be in boost.1.31.0.
>
>John.
>
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