php正则匹配汉字
php匹配汉字(utf-8)
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$str = file_get_contents('http://www.qq.com'); echo mb_strlen($str); $str = mb_convert_encoding($str,'UTF-8',mb_detect_encoding($str,'gbk,gb2312,utf-8')); echo PHP_EOL; preg_match_all("/[\x{4e00}-\x{9fa5}]/u",$str,$matchs); var_dump($matchs); |
