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run code in 200+ 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); $foo = array('DEHUMIDIFIER', '(M11L)'); foreach ($foo as $bar) { print $bar . ': '; print preg_match('/^[a-z0-9]+([a-z0-9-]+[a-z0-9])?$/iD', $bar); print PHP_EOL; }
Output for 4.3.10 - 4.4.9, 5.0.2 - 7.2.0
DEHUMIDIFIER: 1 (M11L): 0
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1
DEHUMIDIFIER: 1 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/CsGcc on line 8 PHP_EOL(M11L): 0 Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/CsGcc on line 8 PHP_EOL