preg_match_all('/<a.*?href="((?:http|https):\/\/vnexpress\.net\/(?:.*?)\/.*?([^\/]*?)\/(?!index)([^\/]*?.html))".*?>.*?<\/a>/m', $content, $matches);
        if($matches)
        {
            $arrReplace = array();
            $arrMapsPrefixs = array(
                'suc-khoe' => 'longform',
                'giai-tri' => 'longform',
                'kinh-doanh' => 'longform',
                'the-thao' => 'longform',
                'gia-dinh' => 'longform',
                'doi-song' => 'longform',
                'so-hoa' => 'longform',
                'du-lich' => 'longform'
            );
            foreach($matches[2] as $i => $prefixs)
            {
                $arrReplace[$i] = 'https://vnexpress.net/'.(isset($arrMapsPrefixs[$prefixs]) ? $arrMapsPrefixs[$prefixs] : $prefixs).'/'.$matches[3][$i];
            }
            $content = str_replace($matches[1], $arrReplace, $content);
        }
        preg_match_all('/<a.*?href="((?:http|https):\/\/(suckhoe|giaitri|kinhdoanh|thethao|giadinh|doisong|sohoa|dulich)\.vnexpress\.net\/.*?([^\/]*?.html))".*?>.*?<\/a>/m', $content, $matches);
        if($matches)
        {
            $arrReplace = array();
            $arrMapsPrefixs = array(
                'suckhoe' => 'suc-khoe',
                'giaitri' => 'giai-tri',
                'kinhdoanh' => 'kinh-doanh',
                'thethao' => 'the-thao',
                'giadinh' => 'doi-song',
                'doisong' => 'doi-song',
                'sohoa' => 'so-hoa',
                'dulich' => 'du-lich'
            );
            foreach($matches[2] as $i => $prefixs)
            {
                $arrReplace[$i] = 'https://vnexpress.net/'.$arrMapsPrefixs[$prefixs].'/'.$matches[3][$i];
            }
            $content = str_replace($matches[1], $arrReplace, $content);
        }