- Original Message From: "Pete Cordell"

> Personally I think that, subject to occurrence constraints, the particle 
> that is currently gobbling up input, should have priority (i.e. they're 
> greedy).  That ... has similarities to how regular expressions behave.

Apologies for answering my only e-mail, but just to check that I wasn't 
mistaken about the behaviour of regular expressions, I put together the 
following Perl program:

#!/usr/bin/perl

$instance = 'AAA';
$instance =~ /(?:A(.+))+/;

print "instance: $instance\n";
print "captured: $1\n";

This gave the output:
instance: AAA
captured: AA

which seems quite sensible to me and I think XSD1.1 should emulate it.

(In case it is not obvious, my A in the regular expression corresponds to an 
<xs:element ref='apple'/> and the . the xs:any wildcard.  Just in case 
you're out of practice on your PCREs, the (?:...) construct provides 
grouping without any capturing.  One day I won't have to look that up!)

Regards,

Pete Cordell
Codalogic
For XML C++ data binding visit http://www.codalogic.com/lmx/



From mike@s... Wed Jun 25 23:31:30 2008
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