in reply to grep { $var } @arr

eval seems to work (with the usual security disclaimers): 
@res = grep {eval $pat} @arr;

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Re^2: grep { $var } @arr
by igelkott (Priest) on Jul 17, 2014 at 15:02 UTC
    eval $pat

    Thanks! I feel like a total fool but it's worth having such a simple fix.

    This works on my overly complex, multi-dimensional problem as well.

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In Section Seekers of Perl Wisdom