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From "Mark F. Murphy" <ma...@tyrell.com>
Subject Re: Perl5 extended regular expression support
Date Mon, 14 Oct 2002 16:31:24 GMT
At 12:26 PM -0400 10/14/02, Daniel F. Savarese wrote:
>It looks like this first appeared in Perl 5.005.  Perl5Compiler/Matcher
>are still mostly just Perl 5.003 compatible and we seem to have settled
>into adding later Perl features on an as-need basis rather than all at
>once.  I just added support for negated modifiers.

Great job Daniel!

That was fast.... and just a small amount of change for the feature.

>This one happened to be straightforward and only required a couple changes
>in Perl5Compiler.  Other changes for things like group-local modifiers
>and look-behind assertions will be significantly more involved.  All told
>it's a matter of enough nagging and enough available time to bring the
>Perl stuff up to full Perl 5.6 (or are we at 6.0 yet) compatibility.

It was interesting to hear that ORO outperformed the 1.4 regex.

mark

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  Mark F. Murphy, Director Software Development   <mailto:markm@tyrell.com>
  Tyrell Software Corp                            <http://www.tyrell.com>
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