function match_chinese($chars,$encoding='utf8')
{
$pattern =($encoding=='utf8')?'/[\x{4e00}-\x{9fa5}a-zA-Z0-9]/u':'/[\x80-\xFF]/';
preg_match_all($pattern,$chars,$result);
$temp =join('',$result[0]);
return $temp;
}
正则匹配,只保留中文、英文、数字
最新推荐文章于 2023-11-27 09:55:48 发布