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run code in 150+ php & hhvm versions
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<?php preg_match_all("/(\b[a-zA-Z-]{3,}\b)+?/", "DEHUMIDIFIER, MUNTERS (M11L) / / / / / / / M11L 230V, 50Hz, 0.21Kw", $matches); print_r($matches);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [0] => Array ( [0] => DEHUMIDIFIER [1] => MUNTERS ) [1] => Array ( [0] => DEHUMIDIFIER [1] => MUNTERS ) )