<?php $str = '-9 Cycles 3 Temperature Levels Steam Sanitizet+ -Sensor Dry | ALSO AVAILABLE (PRICES MAY VARY) |- White - 1258843 - DVE45R6100W {+ Platinum - 1501 525 - DVE45R6100P desirable: 1258843 DVE45R6100W'; if (preg_match_all('~\b(?:[A-Z]{4,20}(*SKIP)(*FAIL)|[A-Z\d]{4,20})\b~', $str, $m)) { var_export(array_unique($m[0])); }
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