一个很简单的字符串切分有关问题
一个很简单的字符串切分问题
[email protected]
[email protected]
[email protected] “*”
------解决方案--------------------
- PHP code
$str = [email protected]';echo preg_replace('/.{4}@/', '****@', $str);[email protected]<div class="clear">
</div>
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