Maybe I'm missing something really obvious, but if the - (dash) is optional, then mark it such in the regular expression...

    my ($year, $num) = ($_ =~ /^(\d{4})-?(\d+)$/);

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This way you will be guaranteed of getting both parts, regardless of whether a dash is present or not.

• another intruder with the mooring in the heart of the Perl

In reply to Re: simple regexp question by grinder
in thread simple regexp question by jeanluca

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