Re: What should /\08/ match and do?

On 1 June 2010 22:30, Abigail <[email protected]> wrote:
> On Tue, Jun 01, 2010 at 11:52:38AM -0600, karl williamson wrote:
> This one is sneaky as well:
>
>    $a = '(.)\1';
>    "aa" =~ /${a}/;      # True
>    "aa0" =~ /${a}0/;    # False!
>    "aa\x8" =~ /${a}0/;  # True!

Wow. Those are gnarly.  Thats a great example of why using old style
back refs is dangerous. Might even be worth adding to the docs?

Thanks Abigail, that is a much better example than I came up with.

Cheers,
yves



-- 
perl -Mre=debug -e "/just|another|perl|hacker/"