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krishnachaitanya
my problem is following code is my form i want validation and for email field it will check formate useing regularexpressions.
<html>
<script src="combovalidate1.js" type="text/javascript" language="javascript">
</script>
<body>
<form name="form" method="post" onsubmit="return validate1();">
<table align="center" border="1px" bgcolor="orange" >
<tr>
<td>Enter Name</td>
<td><input type="text" name="name">
</td>
</tr>
<tr>
<td>email:</td>
<td><input type="text" name="email"></td>
</tr>
<tr>
<td>Enter Address</td>
<td><textarea rows="4" cols="4" name="address"></textarea>
</td>
</tr>
<tr>
<td>Country:</td>
<td><select name="combo1" onchange="change(this);">
<option value="0">-select-</option>
<option value="1">India</option>
<option value="2">USA</option>
<option value="3">UK</option>
</select>
</td>
</tr>
<tr>
<td>State:</td>
<td><select name="combo2"></select></td>
</tr>
<tr>
<td><input type="submit" value="Submit">
</td>
<td><input type="reset">
</td>
</tr>
</table>
</form>
<body>
<html
View Answers
October 19, 2011 at 3:18 PM
<html>
Email Validation
<script language = "Javascript">
function checkEmail() {
if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(form.email.value)){
document.write("You have entered valid email.");
return true;
}
return false;
}
function ValidateEmail(){
var emailID=document.form.email;
if ((emailID.value==null)||(emailID.value=="")){
alert("Please Enter your Email ID")
emailID.focus()
return false
}
if (checkEmail(emailID.value)==false){
emailID.value=""
alert("Invalid Email Adderess");
emailID.focus()
return false
}
return true
}
</script>
<form name="form" method="post" onSubmit="return ValidateEmail()">
Enter an Email Address : <input type="text" name="email" size="30"><br>
<input type="submit" name="Submit" value="Submit">
</form>
</html>
March 9, 2012 at 5:58 PM
validation for name it is useful try it..
<html>
<head>
<script type="text/javascript">
function validateForm()
{
var x=document.forms["myForm"]["fname"].value;
if (x==null || x=="")
{
alert("First name must be filled out");
return false;
}
}
</script>
</head>
<body>
<form name="myForm" action="demo_form.asp" onsubmit="return validateForm()" method="post">
First name: <input type="text" name="fname">
<input type="submit" value="Submit">
</form>
</body>
</html>
......
for email address it is usefull..Try it..
<html>
<head>
<script type="text/javascript">
function validateForm()
{
var x=document.forms["myForm"]["email"].value;
var atpos=x.indexOf("@");
var dotpos=x.lastIndexOf(".");
if (atpos<1 || dotpos<atpos+2 || dotpos+2>=x.length)
{
alert("Not a valid e-mail address");
return false;
}
}
</script>
</head>
<body>
<form name="myForm" action="demo_form.asp" onsubmit="return validateForm();" method="post">
Email: <input type="text" name="email">
<input type="submit" value="Submit">
</form>
</body>
</html>
do well
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