Jed Brown <jed@xxxxxxxx> writes:
> } elsif (/^(?:To|Cc|Bcc):/i) {
> print "To/Cc/Bcc fields are not interpreted yet, they have been ignored\n";
> next;
> }
>
> This regex doesn't match these headers (is the leading ?: a typo?) so
> there is no warning.
(?: ... ) is in Perl non-capturing grouping
>From perlre(1)
"(?:pattern)"
"(?imsx-imsx:pattern)"
This is for clustering, not capturing; it groups subexpressions
like "()", but doesn't make backreferences as "()" does.
So it is not a bug, and it definitely should match... unless implicit
variable $_ (the default input and pattern-searching space) got
mangled. It would be better to use explicit form:
$variable =~ /pattern/
--
Jakub Narebski
Poland
ShadeHawk on #git
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