<?php $data = ['_', '@', ...range(-10, 10), ...range('A', 'F'), ...range('a', 'f') ]; foreach ($data as $v) { preg_match('/(-\d+)?([A-Z]+)?([^A-Za-z0-9]+)?([a-z]+)?(\d+)?/', $v, $m[]); } array_multisort($m, $data); var_export($data);
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