Validate A Form Field

Dec 8, 2006

I have a form field that is for a url.

I have the value of the field http:// so that the users can add in www.site.com

How do I validate:

1) there is a website entered
2) that it begins with http:// (in case they tabbed and deleted this part and only have www.site.com or just site.com)

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Validate Form On Just Few Variables In One Field

Jan 27, 2010

I have a JS which validates the correct format for postcodes (or zip) on an html form - works fine.But what I want to do is to use a JS to see if a website visitor is eligible for a particular service on their postcode / zip - ie the first general part on the code. For example if they type L15****, or L16**** or L18 (where the asterisk could be anything) it pops up the alert box with a message saying "Yes eligible" but any other code returns "No sorry not eligible" - eg L19**** it returns nope.I've tried hacking the code that validates to format and can manage it for just the first character - ie the L but I'm totally lost after that. I don't know if hacking the below will work.

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Form Submission Validate One Field Against Another?

Sep 28, 2011

I wonder if anyone can assist me here. I am trying to find the best way to validate a field against another field. In this case I need to make sure when the user enters the date of birth that the date is not prior to another date in the database (admission date). I would like to do the validation on submit before the other data from the field is submitted to the database.

I have seen a lot of forms validation that can compare the inputted value to a range of values, but I need to say "is the birth date prior to the admission date? If NO then give a message to the user to recheck the date". Sounds easy, but I haven't found a clean way to do it.

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Validate Individual Text Field Validation On Form?

Jan 14, 2011

I have written a form in HTML which contains username,lastname,email,password and submit.I have written a javascript to validate this form [validate(username,lastname,,password)].On submit this javascript function will be called and hence form get validated. I am passing all the arguements(username,lastname,email and password) to the javascript function..Is it possible to make me a code such that it should call an individual function for each field in the form.for ex:if i have not entered username, last name in the form and attempt to submit, only username arguement should be passed to the function as it comes first in the form.In other sense i want to validate individual text field validation of my form.

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JQuery :: Use Validate To Check When Any Field From Form Contain HTML Injections?

Aug 11, 2011

Is there any way to use jquery.validate to check if any field from the form contain HTML injections?

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Validate A Web Form - Sending Email Alerts With Every Field Blank

Jul 13, 2011

I am trying to validate a web form. Someone else wrote the Html code and implemented it with an iframe using asp and php. I didn't want to mess too much with the code so I decided to use javascript to make the form validate, before it was sending email alerts with every field blank. For the most part the validation works but it skips the email field for some reasons and is really bugging me to death. this is the code:

<head>
<link type="text/css" rel="stylesheet" href="CSS/style.css"/>
<title>Bid Form</title>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<script src="gen_validatorv4.js" type="text/javascript"></script>
<script type="text/javascript">
[Code]...

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JQuery :: (Validate) Individual Form Field Failure And Success Events?

Aug 31, 2009

I'm trying to figure out how to integrate jQuery Validation plugin with the qTip plugin [0] to show custom error message displays. I've
had partial success with the following code:

$("#RegistrationForm").validate(
{
errorElement: "span",[code]....

At this point, that successfully displays the validation failure message in a qTip tooltip when it occurs, but there are two problems
with it:

1) The error tooltip toggles between visible and invisible onmouseover and onmouseout. I'm sure this isn't really an issue with the Validation plugin, but rather something I need to figure out with the tooltip plugin. But, my bigger problem is...

2) Even when the invalid condition is fixed (valid data is later entered into the field), the error tooltip remains attached to the field that was previously invalid, even after the field is valid, and continues to toggle between visible and invisible onmouseover and
onmouseout. I'm fairly certain that this is because I've not yet destroyed the tooltip object, but, I can't seem to figure out a way to intercept the "valid" or "success" event with a reference to the element so that I *can* destroy the attached tooltip object.any experience with combining qTip with Validation, or, if I'm missing something in the docs (I've not been able to find anything like this yet) about how to handle/override event handlers for individual form element invalidation/success. I *did* try attaching a function to the "success" attribute of the validate function, but that seems to only give me a reference to the success label, and not the element that its attached to.

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JQuery :: Validate - Validation Plugin - How Not Validate Field Already Filled

Aug 20, 2010

I have a form (form1) to register with the fields: user, email, password being validated normally.

Have a second form (Form2) to the user update the data registered in form1, and the fields user, email, password is already populated with data from the database, the email field I use the remote validation, and as the field already has been completed and read always says that this email already exists, how do I create a rule or method so that when the field is already filled it not do so validating and validate if it is filled with a new email. Email2 have a hidden field in order to do a test type.

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Validate Correct Entry In A Field As Well As It Can Accept Empty Field?

Feb 9, 2011

that a javascript which is validating a phone number accepts only digits but if the text field is left empty it should accept the entry as an empty entry...

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JQuery :: Validate Is Failing On A Field That Is Not A Required Field?

Nov 19, 2010

I have a credit card field that is only mandatory if they select a credit card as a payment type.

If they select Gift Certificate, then I set the card to not be mandatory:

$('#creditcard').removeClass('required').removeClass('creditcard');
validationRules.rules.CardNumber.required = false;

however the validation still fails on the creditcard field. If I enter this in to Firefox's console:

$("#OForm").validate().element("#creditcard");

it returns false.

To make matters more confusing, this validation only fails on my form when I am passing a particular parameter in the URL string. I've scoured my code and cannot figure out why that parameter would have any impact whatsoever on this matter.

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JQuery :: Validate One Field Depending On Another Field Value

May 1, 2010

I am new in jquery and learning it.I am going to make a form validation where if the radio button is checked then the form validation will take place in particular one field ie file field and all other fields will be validated normally. Here is my code:

[Code]....

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Jquery :: Validate Input Array Form With .validate.min.js?

Nov 9, 2011

How can i validate x inputs with name array like init_date[] with this plugin [URL]

$('#form').validate({
rules: {
year:{required:true,number:true},

[code]...

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Copy And Paste Form RTF Document Into Field In Asp Form Cause It To Bypass Field Length And Javascript Validation - How To Overcome?

Jul 23, 2005

I have a web form with several fields. If I copy & paste from a RTF document into a field, the javascript validation and field length are bypassed and cause the form to fail.

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Validate A Name Field ?

Jul 4, 2009

I am trying to validate a name field for a form I am doing. I am trying to do something that says the user can enter two or more alphabetical characters (which I can do) then they could have a hyphen or space followed by more characters if needed.

So far I have the following code from following examples in the "Working with strings chapter of the book". The code will validate if the user has two or more alphabetical characters but I cant get it to work if I then put in a hyphen.

Code:

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Validate Field If Something Is In It?

Aug 24, 2010

I am trying to write some Javascript to validate a certain field. I have it working but I want to make it only validate if there is something in that field. I've looked at different tutorials online but I can't seem to get it to work. This is what I have so far:

if((form.fieldname.value.length < 5))
{alert("Field must have at least 5 characters!");
return false;
}

I don't want this statement to run unless there is something entered into the field.

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Validate A Field Which Could Have Several Different Values?

Jan 29, 2009

In javascript - is it possible to validate a field which could have several different values... such as:

"1BVF"
"9IUJ"
"QW-9"

I have googled - but can only seem to find single validations, so was wondering if I am barking up the wrong tree.

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How To Validate An Image Field

May 29, 2007

I need to validate three image fields with javascript so the user cant upload anything else expect files with image extensions.A i also need to control the size of the image, for example to restrict user uploading files with greater size than 1MB.

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Jquery :: Form Field Clear \ Form Field Reset?

Nov 12, 2011

i think this will help people a lot, cuz i couldn't find any simple answer by googling 3 hours...i need a very very simple jquery form field reset.here is the picture what i need:


HTML Code:
<script type='text/javascript' src='http://code.jquery.com/jquery-1.6.4.min.js'></script>
<script>

[code]....

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Validate A Textarea Only If A Certain Value Is Selected In Another Field

Jul 23, 2005

Is it possible to make a textarea required only if a certain value is selected from a <select>?

I am trying to make a textarea named ObjOther required only if the value OT is selected from a drop down list named Dmost. Is this possible to do client side using javascript or do I need to look into trying this in another language?

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How To Validate Text Field Array

Dec 4, 2010

[ICODE]
<html>
<head>

[code].....

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Validate Email Field For Commas?

Feb 10, 2011

I have an expression validating email addresses but it seems there is a loophole. If a user enters a comma this is accepted. how i can modify the following to disallow commas?

validRegExp = /^[^@]+@[^@]+.[a-z]{2,}$/i;
strEmail = document.form1.df_email1.value;
if (strEmail.search(validRegExp) == -1) {

[code].....

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JQuery :: Validate One Field Or The Other - Two Text Inputs?

Jul 19, 2011

Using jQuery Validate to do it's job of validating a form. Problem is I need to get at least one phone number recorded in the form - either a Telephone or Mobile (Cell).Is there any inbuilt way of setting up the rules to do this?I have seen the Milk demo for the validate plugin where there's something similar, but the 'name' attribute is the same, something that's not going to be the same for two different text inputs.

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JQuery :: (Validate) Specifying Error Placement For Only One Field

Aug 28, 2009

I have a form where I am using the jquery validation plugin. In that form, I have a date field that is using a jquery datepicker plugin so a small calendar gif immediately follows the date field. The date is required. The problem is when the field fails validation, the error
message appears directly after the date input pushing the calendar gif to the right of the error message. I know there is an errorPlacement parameter that you can use, but isn't that for every field in the form? How can I get the error placement to go after the calendar gif
just for the date field. Here is my test code. I am also using an AJAX form submission plugin. The name of my date field is startDate.

$("#myForm").validate({
submitHandler: function(form) {
$('#myForm').ajaxSubmit(function(){
alert('SUCCESS');
});
}});

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JQuery :: Validate An Email Field Dynamically?

Sep 22, 2010

Im trying to validate an email field dynamically using jquery.validatehere.The field i'm speaking about is "Email" ("Registro" form).

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JQuery :: Validate ErrorPlacement On Per Field Basis?

Dec 1, 2010

Has anybody found a way, using the jquery,validate.js plugin, to change the error place of one field?

I can change the error placement for everything, or consistently for all the fields, but I have 2 fields that I want to place the errors someplace else. Is there a way to do that?

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Validate Email Field To Reject Certain Domains?

Jan 18, 2010

here is my current email validation code:

function validateEmail(strValue) {
var objRegExp = /(^[a-z]([a-z_.]*)@([a-z_.]*)([.][a-z]{3})$)|(^[a-z]([a-z_.]*)@([a-z_.]*)(.[a-z]{3})(.[a-z]{2})*$)/i;
return objRegExp.test(strValue);
}

what should i add to reject email addresses from hotmail.com and yahoo.com?

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