<?php
$text = <<<EOF
МУУ ГООУО ОПП по Удмуртинской Области объявляет
конкурс на поставку кaнцелярских тoваров
на сумму 100500 руб.
EOF;
$regexp = "/[a-z]/ui";
$array = preg_split("/ /u", $text, 0, PREG_SPLIT_NO_EMPTY
); foreach($array as $word) {
echo $word . " ";
}
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