- print_r: documentation ( source)
- preg_split: documentation ( source)
<?php
$string1 = "1219.56.C38-.C382 Codex Azcatitlan";
$string2 = "1219.56.C45-.C452 Codex Cempoallan";
print_r(preg_split('/\h{2,}/', $string1));
print_r(preg_split('/\h{2,}/', $string2));