将邮箱的某一段替换为*
程序员文章站
2022-05-20 23:42:47
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将邮箱地址的第3 位到'@'之间的字符串替换为符号'*' 谢谢
回复讨论(解决方案)
echo preg_replace('/(?use*@mail.net
$str ="12q2345qqqq667@qq.com";$sub = substr($str, 2,strpos($str,'@') -2);$len = strlen($sub);$replaceStr = str_repeat('*',$len);$newStr = str_replace($sub, $replaceStr, $str);var_dump($newStr);