jquery验证邮箱格式地址与URL网站地址的综合例子

function checkEmail(){
    var email=$.trim($("#report_email").val());
    if(email == ""){
        $("#report_email").next('p').html("*请输入邮箱地址!");
        return false;
    }
    var re = /^([a-zA-Z0-9]+[_|_|.]?)*[a-zA-Z0-9]+@([a-zA-Z0-9]+[_|_|.]?)*[a-zA-Z0-9]+.[a-zA-Z]{2,3}$/ig;
    if(!re.test(email)){
        $("#report_email").next('p').html("*邮箱地址格式错误!");
        return false;
    }
    return true;
}
 

function getUrlArray(e, type){
    var urls = $.trim($("#report_url_list").val());
    urls = urls.replace(/s*n+s*/ig,"n");
    $("#report_url_list").val(urls);
        //format the urls
    if(type == "blur"){
        reportUrlElm.val(urls);
    }
    if(e && e.keyCode == 13){
        reportUrlElm.val(urls + "n");
    }

    urls = urls.split("n");
    user_urls = urls;
    return urls;
}
function checkurls(e, type) {
    $("#errorList").find("span").hide();
    urls = getUrlArray(e, type);
    var urlfag = true;
    url_index = 0;
    var urlText="请填写举报网站，您可以举报多个网址，每行一个，一次不超过20个。";
    if(!urls[0] || urls[0] == urlText){
        $("#report_url_list").val(urlText).css("color","#757575");
        $("#report_url_list").next('p').html('*请输入正确的网址');
        $.urlfag=false;
        return false;
    }
    if(urls.length > 20){
            $("#report_url_list").next('p').html("已超过20个，请分批举报")
            $.urlfag=false;
            return false;
    }
    $.urlfag=true;
    for(url_index=0;url_index<urls.length;url_index++){
        $.urlfag = checkEachUrl(urls, url_index)  && $.urlfag ;
    }
    return  urlfag;
}
function checkEachUrl(urls, index){
    var e=urls[index];
    a = e.replace(/^http:///, "");

    if (a.indexOf("/") != -1) {
        a = a.substring(0, a.indexOf("/"));
    }
    var rg = /^((https?|ftp|news)://)?([w-]+.)+(.)+(:d+)?(/[w- ./?%&=]*)?$/i;
    if(!rg.test(a)){
        urlError("格式错误",index,-1);
        return false;
    }
    if(inUrlArray(urls,index)){
        urlError("请不要举报同一条网站",index,-1);
        return false; 
    }
    $.ajax({
        async:false,
        url:"http://api.pc.qq.com/tapi/url_report.php?url=http://"+a,
        dataType: "jsonp",
        method: "GET",
        success:function(a){
            if(a.is_existed=="yes"){
                urlError("该网址已被举报",index,-1);
                $.urlfag= false;
            }
        }
    });
    urlError("正常",index,0);
    return true;
}
function inUrlArray(urls,index){
    var r=false
        for(i=index+1;i<urls.length;i++){
        a = urls[index].replace(/^http(s?):///, "");
        b = urls[i].replace(/^http(s?):///, "");
        if(a==b)
            r=true;
    }
    return r;
}
function  urlError(msg,index,type){
    type=type|| 0;
    var test = $("#errorList div").find("span").eq(index);
    test.show();
    if(type<0){
       test.attr('title',msg).css("background-position","-20px 0px");
    }else{
       test.attr('title',msg).css("background-position","0px 0px");
    }
}

<script type="text/javascript">
var ee;
function  mailbox(strEmail){
var name=document.blooger[0].email.value;
$.ajax({
type: "get",
url: "<?php echo "http://".$_SERVER['HTTP_HOST']."/Login/"; ?>mail.php",
data: "youx="+name,
success: function(datax) {
var xx = document.getElementsByName("email")[0].value;
if (xx == ""){document.getElementById("mailbox_msg").innerHTML='  <font color=red>邮箱不能为空!</font>';}
else if(document.blooger[0].email.value.search(/^w+((-w+)|(.w+))*@[A-Za-z0-9]+((.|-)[A-Za-z0-9]+)*.[A-Za-z0-9]+$/) != -1) {
if (datax == 0) {
document.getElementById("mailbox_msg").innerHTML='  <font color=red>邮箱已经被注册</font>';
}
else {document.getElementById("mailbox_msg").innerHTML='  <font color=green>邮箱可以使用!</font>';}
}else{document.getElementById("mailbox_msg").innerHTML='  <font color=red>邮箱地址不正确</font>';}
}
});
}
 function check(){
 if(ee != "1"){mailbox();return false;}
 }
</script>

<form name="blooger" action="blogger.php?action=update" method="post" id="blooger" enctype="multipart/form-data" onsubmit="return check();" >
<div class="item_edit">www.jb200.com
 <li>
 <?php echo $icon; ?><input type="hidden" name="photo" value="<?php echo $photo; ?>"/>
 头像
    <input name="photo" type="file" /> (支持JPG、PNG格式图片)
 </li>
 <li>昵称
<input maxlength="50" style="width:185px;" value="<?php echo $nickname; ?>" name="name" /> </li>
 <li>电子邮件
<input type="text" name="email" value="<?php echo $email; ?>" id="id_mailbox" style="width:185px;" maxlength="200" onBlur="mailbox(this.value);" /><span id="mailbox_msg"></span></li>
 <li>个人描述
<textarea name="description" style="width:300px; height:65px;" type="text" maxlength="500"><?php echo $description; ?></textarea></li>
 <li><input type="submit" value="保存资料" class="button" /></li>
</div>
</form>