/**
* PHP通过正则表达式从字符串中剔除非ASCII码字符
*
* @param
* @arrange 512-笔记网: 512Pic.com
**/
$str = "Remove these: äó";
$string = preg_replace('/[^(\x20-\x7F)]*/','',$str);
/*** 来自编程之家 jb51.cc(jb51.cc) ***/
原文链接:https://www.f2er.com/php/528328.html