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<?php $text = <<<TEXT TEXT; $filter = 'Павел Дуров'; $filter = mb_strtolower($filter); $parts = explode(' ', $filter); $parts = array_map('trim', $parts); $parts = array_map('preg_quote', $parts); $filter = implode('.+', $parts); echo preg_match("~{$filter}~uis", $text);

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