I'd skip the grep: it's redundant: 
my @delete_list = map /^delete_check_(.*)/, keys %session;

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This works because the regex match is in a list context. If it matches, you get back $1. If it fails to match, you get an empty list. And it disappears. {grin}

-- Randal L. Schwartz, Perl hacker

In reply to •Re: How to express myself by merlyn
in thread help with s/// inside map by blackjudas

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