Questions tagged [validation]

when and how best to give feedback to users about invalid entries in data they have provided.

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2answers
319 views

Form validation with checkboxes

I have a list of checkboxes, all of which have to be checked in some cases (dependent on previous selections) in order to proceed. It is important that the user reads all the checkbox labels, i.e. ...
1
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1answer
275 views

inline form validation when user tabs out of an empty field

My question is similar to Should inline validation check empty fields if user only tab the field but do nothing and skip to next field?, but a bit different. Let's say I have a form containing a few ...
0
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1answer
156 views

How to automatically add protocol to incomplete URL? [closed]

The user must fill in the url for the correct functionality of the system, including protocol (http or https). In the most cases, user pastes URL with protocol. Less often pastes URL without protocol ...
2
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1answer
77 views

what is the criteria for displaying invalid data in a list?

I have an App that is holding a list of gas stations and those can be sorted by Price so the user can see first the ones with cheaper prices... now, the requirement is that if the price I get from ...
0
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1answer
78 views

Authenticating / Validating a user, from an email/SMS invite

I'm designing a system whereby a company creates accounts for it's customers and sends an invite via email/SMS. The system contains PII, so we need to be cautious with data security. We need a ...
5
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2answers
977 views

Form Validation: out of focus vs. delayed onKeyPress

The right time of form validation has been discussed already several times here, here and here, but recently I noticed a few times implementations which are using delayed validation. Means you get ...
2
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3answers
709 views

From a UX perspective, when should you send the confirm your email message

In our sign up process, we ask the user to create a login (username and password) and then ask them to fill out the rest of their account which is a much longer process. There can be a one to many ...
2
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2answers
102 views

Mobile questionnaire Wizard

I am currently working on this app. We’ve done some user test on the feature and the feedback was positive. However, the sample was small and I still have some concerns about the design and we are not ...
0
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1answer
589 views

Form submission if optional field is invalid

If a form has some optional fields what is best way to handle validation for it? Simplest solution is to not validate the optional fields and simply allow form submission but sometimes we need to ...
1
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2answers
881 views

What's the best way to alert someone to an error on their form?

When someone submits a form on a Website or mobile app that has an error, what's the best place to show them the error? Should it be by the submit button or by the errant field? If it's by the errant ...
2
votes
1answer
216 views

Is it better to use Checkboxes or Radio Buttons, when there are two or more fields and at least one of them must be filled out to pass validation?

Is it better to use Checkboxes or Radio Buttons, when there are two or more fields and at least one of them must be filled out to pass validation? My concern comes to the validation errors that will ...
1
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1answer
449 views

Best Practice Validation for Long Form with Disabled Submit Button

Hi and thanks in advance for your help. I'm working on a form that was built using Angular 2. By default, the submit button is disabled until all required fields are complete. The form is long and ...
1
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1answer
1k views

How do I follow validation best practices on a form with multiple views and tabs?

I'm developing a Workflow application using Angular 2 and bootstrap. We have several forms where the user will submit one form, wait for his choices to be configured somewhere, and the form will be ...
3
votes
1answer
189 views

Updating security details on a financial app

I'm looking for help around the best practice for validating identity within an update security details flow. I am working on the sign-up, login, and updating process for a new web based financial ...
0
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1answer
186 views

Should a compiler give compile-time errors or warnings for syntactically valid but logically invalid code?

With some programming languages, a compiler may reject code that, while otherwise syntactically valid, is readily determined to be logically invalid through static analysis. An example is Visual C++ ...
4
votes
3answers
255 views

How to design a user interface to enter a number from 100K - 1B in increments of 100K

I could simply ask the user to type the number in, and then validate that the number is a multiple of 100K and between 100K and 1B, presenting an error message if not. I could strip out any commas ...
2
votes
1answer
461 views

Validate on keypress after an incorrect submit attempt?

I understand that validating on keypress is not recommended because it's annoying to get errors thrown in your face when you haven't finished filling out the field yet. However, what about the ...
3
votes
2answers
803 views

How to display multiple complex validation errors and warnings

To help our users in data entry, we provide them with Warnings (User's data MAY BE correct so we allow them to save) Errors (User's data IS NOT correct; cannot be saved without fixing first.) How ...
3
votes
2answers
418 views

Validating cellphone numbers

We currently require users to enter a mobile phone number that is used for receiving notifications as text messages. We've had multiple cases of people mistakenly entering their landline number ...
6
votes
1answer
3k views

How do I mark required fields in form while using just placeholders?

I have my forms designed without any labels above input files, I'm just using placeholders to inform users what the field is. It works and looks fine, but my question is - how may I inform users which ...
36
votes
6answers
6k views

What is the preferred behavior of form validation?

What is really the preferred behavior of form validation? When should the validation take place? When the user clicks "save" When the input field is out of focus As the user types Is the preferred ...
3
votes
3answers
147 views

Validate user experience for expert users

I am a computer scientist, and I have contributed in building a strongly technical solution (cloud-based, scalable) for the computation of large data volumes in short time. Such platform offers ...
2
votes
2answers
369 views

Validation in Slide Outs (desktop)

I have slide out with a bunch of filters.(sorry, because of private info I can't publish them) I can apply 1, 2 or 5 filters by clicking "Apply Filters". By clicking on filter I can get to its ...
1
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1answer
71 views

Colour coding validation messages and general messages

I am currently working on a website which has a lot of validation messages (e.g. you successfully logged in, The address has been saved, Some items are out of stock and so on) we provide customers ...
0
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1answer
869 views

Best ways to show tooltips in form fields on desktop and mobile devices

I believe this question is quite similar to What are the best practices for tooltips on mobile websites?, but this question is more specific (only focus on form fields) and to go deeper in how to show ...
3
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1answer
161 views

Doubled form validation button (iOS)

I have asked myself this question a few times lately. Should I put a validation button at the right-hand corner of the header and another at the bottom of the form ? The right-hand button is useful ...
1
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2answers
58 views

Is it a good idea to refocus into a text box after validating it?

Let's say I have a text box where you only are allowed to enter integers. When the focus is lost, then the page should check whether the entry is an integer or not. If it's not an integer, then the ...
3
votes
4answers
1k views

Best way to ask user to input real phone number?

Sometimes I need to get user's mobile phone in my HTML form, and after that user will receive account information and refer code by text message. I want to ask you what is the best way to give warning ...
0
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1answer
193 views

Is there any way I can improve the experience of this form? [closed]

I have a form on a website that I'm unhappy with. I want to use bootstrap and jquery validator to create a better experience for people filling out the form. Is there any way I can improve upon this? ...
2
votes
3answers
697 views

Validation status - should it disappear or turn green?

We have client-side validation when users fill out a form. See below: The question here is: if the user answers the question, should the "!" button disappear? This button also serves as toggling on/...
0
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2answers
558 views

Date Time Picker Validation

In a form, the user is required to choose date and time in a picker, thereafter choose other fields and hit 'Done'. I have a datetime picker that displays a date and time by default. Moreover, the ...
1
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1answer
479 views

Dirty checking inputs before inline validation

I'm currently building a user enrollment form and I'm wondering what peoples' thoughts are on conditionally firing inline validation on blur based on a "dirty" field -- one that's received a keyboard ...
4
votes
1answer
163 views

Should software accept ambiguous nonconforming mathematical formulas as input?

According to various international and national standards (e.g. ISO 80000 Quantities and units or DIN 1338 Writing and typesetting of formulae) as well as other guidelines (e.g. The International ...
2
votes
1answer
296 views

Form Validation and AODA compliance

Does in-line form validation interfere with AODA compliance? We are designing a form for a product that must meet AODA double AA compliance. We'd also like to design a form that reduces the ...
1
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2answers
135 views

Should bulk imports be all-or-none or individual?

I'm working on an application that has a few CSV imports. I'm trying to figure out if the import should be all-or-nothing or if the import should accept all of the valid records in the CSV and reject ...
0
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2answers
158 views

Dropdown with search features validation

Imagine a dropdown list with search features where I can type or paste some text. What will be the best way to validate my dropdown: A: Comparing the text with the database text after click outside ...
1
vote
1answer
955 views

Error message- display in a Modal vs display in the form

Generally, in a forms, when some field is invalid, the error message shows next to the field. However I am not sure where/how to display errors that are not directly related to the fields. We have a ...
10
votes
7answers
849 views

Validation of scanned images

I have been asked to appraise an interface On the right is a scanned image and it contains information about a user. It contains a unique ID, name fields and an address. The user has to find out if ...
2
votes
2answers
2k views

Notify the user that all form fields are required

I've been using React for a while now for creating forms, and for some reasons I cannot do some inline validations because I'm not yet that experienced on self-created inline validations and I'm also ...
2
votes
2answers
1k views

How should one phrase an error message telling a user that only ASCII characters are allowed?

I found in my application a particularly bad validation error message, Password must be at least 8 characters long and are all ASCII characters Ignoring the ambiguous grammar, this is meaningless ...
1
vote
4answers
1k views

Sanitizing input of names

I'm working on the onboarding of my web app and I'm wondering how to sanitize user input for data fields such as the name or the business name. Initially I limited input to only letters and numbers ...
4
votes
1answer
203 views

Validation, Alert, Urgent color usage

Im building a mobile application that allows users to ask each other for help with homework questions. Users also have the ability to message each other directly. On the page of my application that ...
3
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2answers
515 views

Group input fields in form [duplicate]

I have a form with six different input fields. Two of these fields are an either/both case, i.e. the user does not have to fill out both, but one of them is required. My problem is the design of them. ...
3
votes
2answers
817 views

Displaying multiple validation messages

Let's say my password field has the following validations (not limited to) on my Sign Up form, Password length should be 6-12 characters. Password must contain at least 1 number. Password must ...
2
votes
3answers
839 views

Is there a convention for validating start and end (time) in range?

I am working on an Android app (we also have an iOS and a web version) and I am currently adding validation to a view where the user can select a time range. I am wondering if there are any ...
11
votes
3answers
3k views

Should validation be done in a pop-up window or a new page?

I'm working on an enhancement for an application. The enhancement allows the users to validate and view the errors on their uploaded data. These errors are something the user would need to revisit. ...
1
vote
3answers
2k views

How to illustrate a “saved, but incomplete” state

Right now I have a form that is broken into multiple sections. Beside the form, there is a sidebar with a list of every section's name. Each section will experience 5 states: unsaved edit(s) ...
6
votes
2answers
292 views

Is inline validation convenient on pre filled form fields?

I have a form which partly pre-fills after filling in an address field. Is it convenient to give green check marks on the fields they didn't fill in themself?
2
votes
4answers
534 views

What's the best way to validate an invited user via email that another user provided?

User 1 is an account administrator and can create (invite) other users on the account. User 1 inputs an email address for User 2. User 2 receives a welcome email at that address with a link to confirm....
0
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1answer
70 views

How to do customer validation with limited budget?

User experience designers should always go out and talk to their customers before the product is even built. But how would I do this if I had limited resources? Most of the research I've done ...