This is largely redundant now, but:
>perl -wMstrict -le
"use List::AllUtils qw(lastval);
my @call_names = (
'test AB 25',
'test BC 29',
'test AC 25',
'test AA 30',
'test AA 31',
'test AA 25',
'test AA 20',
);
my $last_25 = lastval { m{(\d+)}xms and $1 == 25 } @call_names;
print qq{'$last_25'};
"
'test AA 25'
Or even (Larry help us)
my $last_25 = lastval { (m{\d+}xmsg)[0] == 25 } @call_names;
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