--- Jeff 'japhy/Marillion' Pinyan <[EMAIL PROTECTED]> wrote:
> /me greets [Ovid]
>
> On Aug 20, Curtis Poe said:
>
> >First, I added the caret to force matching from the beginning of the line so we
>don't
> accidentally
> >match embedded whitespace. That may or may not matter, depending upon the
>structure of the
> data,
> >but since I haven't seen the rest of the thread, I'm not sure.
>
> That can never be a problem when using the * quantifier. Any regex of the
> form
>
> /(THIS)*/
>
> will always match at the beginning of a string.
Oh, duh! However, I suspect that new monks, uh, programmers, are going to get
confused about that
one. It's not exactly intuitive to many why the following doesn't print 'abc':
my $string = " abc ";
$string =~ /(abc)*/;
print $1;
But then, perhaps that's just [Ovid] being picky :)
Cheers,
Curtis Poe
=====
Senior Programmer
Onsite! Technology (http://www.onsitetech.com/)
"Ovid" on http://www.perlmonks.org/
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