JS邮箱正则验证并限制字符长度
其中包含QQ邮箱
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
</HEAD>
<BODY>
<script language="javascript">
function check(){
var email=document.getElementById("email").value;
var isemail=(/^/w+((-/w+)|(/./w+))*/@[A-Za-z0-9]+((/.|-)[A-Za-z0-9]+)*/.[A-Za-z0-9]+$/)
if (email=="")
{
alert("请输入您的邮箱!");
return false;
}
if (email.length>25)
{
alert("长度太长");
return false
}
if (!isemail.test(email))
{
alert("不是邮箱");
return false;
}
else
{
alert("ddddddd");
}
}
</script>
<FORM METHOD=POST ACTION="" onsubmit="return check()">
<INPUT TYPE="text" NAME="email"><INPUT TYPE="submit">
</FORM>
</BODY>
</HTML>
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