JavaScript之邮箱验证（一）
JavaScript之邮箱验证（1）
<html>
<head><title>Js 正则表达式之邮箱验证</title>
<script>
function checkEmail(){
//cedar_c@163.com.cn
var emailObj = document.forms[0].email;
var email = emailObj.value;
var reg = /^\s*$/;
if(reg.test(email)){
alert("邮箱不能为空");
return false;
}
var reg = /^\w+@[\w-]+\.[a-zA-Z]+$/;
if(!reg.test(email)){
alert("邮箱格式不正确");
}
return true;
}
</script>
</head>
<body>
<form onSubmit="return checkEmail()">
邮箱：<input name="email" type="text"/>
<input type="submit" value="确定" />
</form>
</body>
</html>
<html>
<head><title>Js 正则表达式之邮箱验证</title>
<script>
function checkEmail(){
//cedar_c@163.com.cn
var emailObj = document.forms[0].email;
var email = emailObj.value;
var reg = /^\s*$/;
if(reg.test(email)){
alert("邮箱不能为空");
return false;
}
var reg = /^\w+@[\w-]+\.[a-zA-Z]+$/;
if(!reg.test(email)){
alert("邮箱格式不正确");
}
return true;
}
</script>
</head>
<body>
<form onSubmit="return checkEmail()">
邮箱：<input name="email" type="text"/>
<input type="submit" value="确定" />
</form>
</body>
</html>
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