如何使用javascript验证电子邮件 [英] how to validate email using javascript
问题描述
你好,
我想要电子邮件验证
sai @ yahoo.co.in
但不喜欢下面有限制你可以指导
sail@yahoo.co.in.in或发送任何网页摘要和网址
试试这个:
function validate(form_id,email){
var reg = / ^([A-Za-z0-9_\-\。])+ \ @([A-Za-z0-9_ \-\。])+ \。( [A-Za-z] { 2 , 4 })
< BLOCKQUOTE> /;
var address = document.forms [form_id] .elements [email] .value;
if (reg.test(address)== false){
alert(' 无效的电子邮件地址');
return false;
}
}
并查看一些参考资料:
< a href =http://www.codeproject.com/Tips/288399/Validate-multiple-email-ids-using-javascript>使用javascript验证多个电子邮件ID [ ^ ]
使用javascript验证多个电子邮件ID [ ^ ]
您好,
试试关注javascript
< script language =javascript >
function checkEmail(){
var email = document.getElementById ('电子邮件地址');
var filter = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\。) +([A-ZA-Z0-9] {2,4})+
Hello,
I want email validation
sai@yahoo.co.in
but not like below one it have restrict can u guide
sail@yahoo.co.in.in or send any snippets and also for url
Try this:
function validate(form_id,email) { var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})
/; var address = document.forms[form_id].elements[email].value; if(reg.test(address) == false) { alert('Invalid Email Address'); return false; } }
and have a look on some references:
Validate multiple email id''s using javascript[^]
Validate multiple email id''s using javascript[^]
Hi,
try following javascript
<script language="javascript"> function checkEmail() { var email = document.getElementById('emailaddress'); var filter = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+
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