关于验证：使用jQuery和regex验证电子邮件地址

Validating email addresses using jQuery and regex

我不太确定该怎么做。我需要使用regex验证电子邮件地址，如下所示：

1	[a-z0-9!#$%&'+/=?^_`{\|}~-]+(?:\.[a-z0-9!#$%&'+/=?^_`{\|}~-]+)@(?:[a-z0-9](?:[a-z0-9-][a-z0-9])?\.)+(?:[A-Z]{2}\|com\|org\|net\|edu\|gov\|mil\|biz\|info\|mobi\|name\|aero\|asia\|jobs\|museum)

然后我需要在jquery函数中运行这个函数，如下所示：

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$j("#fld_emailaddress").live('change',function() {
var emailaddress = $j("#fld_emailaddress").val();

// validation here?

if(emailaddress){}

// end validation

$j.ajax({
type:"POST",
url:"../ff-admin/ff-register/ff-user-check.php",
data:"fld_emailaddress="+ emailaddress,
success: function(msg)
{
if(msg == 'OK') {
$j("#fld_username").attr('disabled',false);
$j("#fld_password").attr('disabled',false);
$j("#cmd_register_submit").attr('disabled',false);
$j("#fld_emailaddress").removeClass('object_error'); // if necessary
$j("#fld_emailaddress").addClass("object_ok");
$j('#email_ac').html(' <img src="img/cool.png" align="absmiddle"> <font color="Green"> Your email '+ emailaddress+' is OK.</font> ');
} else {
$j("#fld_username").attr('disabled',true);
$j("#fld_password").attr('disabled',true);
$j("#cmd_register_submit").attr('disabled',true);
$j("#fld_emailaddress").removeClass('object_ok'); // if necessary
$j("#fld_emailaddress").addClass("object_error");
$j('#email_ac').html(msg);
}
}
});
});

验证在哪里进行，表达式是什么？

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修正

http：／／／so.lucafilosofi.com jQuery -验证电子邮件地址- / -正则表达式
使用新的正则表达式
address for added支持标签(+符号)

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function isValidEmailAddress(emailAddress) {
var pattern = /^([a-z\d!#$%&'*+\-\/=?^_`{|}~\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+(\.[a-z\d!#$%&'*+\-\/=?^_`{|}~\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+)*|"((([ \t]*

)?[ \t]+)?([\x01-\x08\x0b\x0c\x0e-\x1f\x7f\x21\x23-\x5b\x5d-\x7e\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]|\\[\x01-\x09\x0b\x0c\x0d-\x7f\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))*(([ \t]*

)?[ \t]+)?")@(([a-z\d\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]|[a-z\d\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF][a-z\d\-._~\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]*[a-z\d\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])\.)+([a-z\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]|[a-z\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF][a-z\d\-._~\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]*[a-z\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])\.?$/i;
return pattern.test(emailAddress);
}

1	if( !isValidEmailAddress( emailaddress ) ) { /* do stuff here */ }

注：*保持在100%，不检查正则表达式的名称的电子邮件！

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解决方案：This is MyP＞＜／

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function isValidEmailAddress(emailAddress) {
var pattern = new RegExp(/^[+a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}$/i);
// alert( pattern.test(emailAddress) );
return pattern.test(emailAddress);
};

found that regexp > <走过来：http：／／／／邮件队列mdskinner.com -正则表达式-确认-＞＜／jQuery罢工P＞＜／

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$(document).ready(function() {

$('#emailid').focusout(function(){

$('#emailid').filter(function(){
var emil=$('#emailid').val();
var emailReg = /^([\w-\.]+@([\w-]+\.)+[\w-]{2,4})?$/;
if( !emailReg.test( emil ) ) {
alert('Please enter valid email');
} else {
alert('Thank you for your valid email');
}
})
});
});

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- This is much betterP＞＜／

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function isValidEmailAddress(emailAddress) {
var pattern = new RegExp(/^([\w-\.]+@([\w-]+\.)+[\w-]{2,4})?$/);
return pattern.test(emailAddress);
};

相关讨论

你会使用jQuery插件recommend for the verimail.js。P＞＜／

为什么？P＞＜／

IANA TLD确认
确认表(根据RFC 822)
拼写建议for the most common顶级域名和电子邮件域
临时电子邮件帐户拒绝域mailinator.com such as

知识？P＞＜／

包括你的网站和在线使用verimail.jquery.js：the functionP＞＜／

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$("input#email-address").verimail({
messageElement:"p#status-message"
});

如果你想有一个表单验证和提交的电子邮件"在线，你可以用the getverimailstatus函数：P＞＜／

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if($("input#email-address").getVerimailStatus() < 0){
// Invalid email
}else{
// Valid email
}

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JavaScript的：P＞＜／

1 2	var pattern = new RegExp("^[_A-Za-z0-9-]+(\\.[_A-Za-z0-9-]+)@[A-Za-z0-9]+(\\.[A-Za-z0-9]+)(\\.[A-Za-z]{2,})$"); var result = pattern .test(str);

is not for the允许正则表达式：P＞＜／

1 2	[email protected] [email protected]..

可为：P＞＜／

1 2	[email protected] [email protected]

开源的http：/ / / / www.mkyong.com正则表达式- 10 - java正则表达式实例-我知道-你应该/P＞＜／

你可以使用这个函数P＞＜／

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试试这个P＞＜／

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function isValidEmailAddress(emailAddress) {
var pattern = new RegExp(/^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/);
return pattern.test(emailAddress);
};

我们也可以使用正则表达式(/(W - [ ] ^(+)"[ ] W(+ -)(。(W){ } 2.3美元)+)/验证电子邮件地址格式)is to correct or not。P＞＜／

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var emailRegex = new RegExp(/^([\w\.\-]+)@([\w\-]+)((\.(\w){2,3})+)$/i);
var valid = emailRegex.test(emailAddress);
if (!valid) {
alert("Invalid e-mail address");
return false;
} else
return true;