[tpm] Regex question

[Dave Doyle]

my $foo="ABC-987-01";
my ($bar) = $foo =~ /^(B\w+-\d+)-\d+$/;

This'll do the trick but you'd still have to test that $bar is defined
(i.e. the match was successful).


On Tue, Jul 8, 2008 at 11:00 AM, Madison Kelly <linux at alteeve.com> wrote:
> Hi all,
>
>  I've got a simple problem I often come across, and I've got a way to make
> it work. However, I've always felt there must be a more ... elegant way of
> doing it.
>
> For example, let's say I want to copy a variable and strip a bit off the
> end;
>
> my $foo="ABC-987-01";
> my $bar=$foo;
> $bar=~s/(\w+-\d+)-\d+/$1/;
> # $bar now 'ABC-987'.
>
> That's three lines. Is there a way to do this in one line? Specifically, is
> there a way to assign '$1' to a new variable in one go?
>
> Thanks!
>
> Madi
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-- 
dave.s.doyle at gmail.com