As you know exactly where you want to match (at the end of string), you can first get length n of a word you are searching for, then using substr
function get substring of length n of the word you are searching in and just do eq
comparison of two strings:
@array = ('own', 'known', 'owl');
$q = 'unknown';
$longestmatching = '';
$longestn = 0;
$n = length($testword);
next if $n <= $longestn;
$substr = substr($q, length($q)-$n, $n);
if($testword eq $substr)
$longestmatching = $testword;
$longestn = $n;
Additionally you can do sort of @array
from longest to shortest string as others mentioned.
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