blog
2019-07-31
1 阅读
php正则匹配汉字
php匹配汉字(utf-8)
$str = file_get_contents('http://www.qq.com');
echo mb_strlen($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);
