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Postings from September 2016
On Thu, Sep 15, 2016 at 11:34:02AM -0700, Kevin Goess wrote:
> # New Ticket Created by Kevin Goess
> # Please include the string: [perl #129277]
> # in the subject line of all future correspondence about this issue.
> # <URL: https://rt.perl.org/Ticket/Display.html?id=129277 >
>
>
> This is a bug report for perl from cpan@goess.org,
> generated with the help of perlbug 1.40 running under perl 5.25.5.
>
>
> -----------------------------------------------------------------
> [Please describe your issue here]
>
> I'm suggesting a documentation change. perlrecharclass says "Most characters
> that are meta characters in regular expressions...lose their special meaning
> and can be used inside a character class without the need to escape them" and
> goes on to list the ones that do need to be escaped. It does *not* list a '$'.
> But this will not match a dollar sign or a comma:
>
> [$,]
But it does:
$ perl -wE 'say q{$} =~ q{[$,]}'
1
$
>
> and it would be good advice to point out that a '$' is as special inside a
> character class as it is anywhere else in a regular expression.
>
Now, if you use delimiters which allow for interpolation of variables,
said interpolation will happen -- but it will happen before perl even
knows there is a character class.
Abigail
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