php 内置正则配置邮箱

使用 FILTER_VALIDATE_EMAIL 过滤器

<?php

$email = 'runoob@runoob.com';

//邮箱地址

if (filter_var($email, FILTER_VALIDATE_EMAIL))

{ $emailMsg = "正确邮箱格式"; } else { $emailMsg = "非法邮箱格式"; }

echo $emailMsg;