PHP code to determine whether it is a valid email address_PHP tutorial

This article introduces a custom function, which is about determining whether it is a valid email address. In fact, it is what we often call regular verification of email addresses. If you are interested, take a look.

The code is as follows  代码如下 复制代码 // 函数名：CheckEmailAddr($C_mailaddr) // 作 用：判断是否为有效邮件地址 // 参 数：$C_mailaddr（待检测的邮件地址） // 返回值：布尔值 // 备 注：无 function CheckEmailAddr($C_mailaddr) { if (!eregi("^[_a-z0-9-]+(.[_a-z0-9-]+)*@[a-z0-9-]+(.[a-z0-9-]+)*$", $C_mailaddr)) //(!ereg("^[_a-zA-Z0-9-]+(.[_a-zA-Z0-9-]+)*@[_a-zA-Z0-9-]+(.[_a-zA-Z0-9-]+)*$", $c_mailaddr)) { return false; } return true; }	Copy code

// Function name: CheckEmailAddr($C_mailaddr)

// Function: Determine whether it is a valid email address

$C_mailaddr)) //(!ereg("^[_a-zA-Z0-9-]+(.[_a-zA-Z0-9-]+)*@[_a-zA-Z0-9-]+( .[_a-zA-Z0-9-]+)*$",$c_mailaddr)) { return false; } return true; } http://www.bkjia.com/PHPjc/631663.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/631663.htmlTechArticleThis article introduces a custom function, which is about determining whether it is a valid email address. In fact, it is what we often call regularity Your email address has been verified. If you want to see it, please take a look. Code...