jQuery判断邮箱格式对错实例代码讲解
废话不多说了，具体代码如下所示；
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>检测Email地址格式是否正确</title>
<script src="http://apps.bdimg.com/libs/jquery/1.10.2/jquery.min.js"></script>
</head>
<body>
<input type="text" id="emailname">
<input type="submit" value="检测Email地址格式是否正确" class="is-email">
<script type="text/javascript">
$(".is-email").click(function(){
var email = $("#emailname").val();
if(email == ''){
alert("请输入您的邮箱");
return;
}else if(email != "") {
var reg = /^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/;
isok= reg.test(email );
if (!isok) {
alert("邮箱格式不正确，请重新输入！");
return false;
}
};
alert("ok 输入正确");
});
</script>
</body>
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