<?php
$text = <<<TXT
Пocтaвкa мяco гoвядины, бecкостнoe для нужд государственного
бюджетного учреждения здравоохранения Республики Башкортостан
Инфeкциoннaя клиничeскaя больница № 4 города Уфа
TXT ;
$regexp = "/([а-яА-Я]*)([aceopx])([а-яА-Я]*)/ui" ;
foreach ( $text as $word )
{
echo "Ошибка в слове: " . preg_replace ( $regexp , "$1 [$2 ]$3 " , $word ) . "\n " ; }
}
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