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<?php $ClientAddress = "5 street name\n35230 Village"; $match=null; $AdOk = preg_match("/^([0-9a-zA-Z-, '\\n]+)(\\d{5})([, ]+)([0-9a-zA-Z-, '\\n]+)$/iu", $ClientAddress, $match); var_dump($ClientAddress, $AdOk, $match); ?>

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