<?php
$infinite = "/^([a-z]|[0-9]| |,|'|\.|!|\?)*$/i"; // Allows infinite repetition
$fourk = "/^[a-z0-9 ,'.!?]{1,4000}$/i"; // Limits repetition to 4000
$string = "I like apples.";
echo "Passed infinite repetition. \n";
}
echo "Passed maximum repetition of 4000. \n";
}
?>
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