<?php
$studentID = "1234567";
echo "$studentID matched!\n";
}
$familyname = "Pupkin";
if (preg_match ('/^[A-Z -]{0,20}$/i', $familyname)) { echo "$familyname matched!";
}
PD9waHAKCiRzdHVkZW50SUQgPSAiMTIzNDU2NyI7CmlmIChwcmVnX21hdGNoKCcvXlswLTldezcsMTB9JC8nLCAkc3R1ZGVudElEKSkgewoJZWNobyAiJHN0dWRlbnRJRCBtYXRjaGVkIVxuIjsKfQokZmFtaWx5bmFtZSA9ICJQdXBraW4iOwppZiAocHJlZ19tYXRjaCAoJy9eW0EtWiAtXXswLDIwfSQvaScsICRmYW1pbHluYW1lKSkgewoJZWNobyAiJGZhbWlseW5hbWUgbWF0Y2hlZCEiOwp9