Questions tagged [validation]

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

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7
votes
1answer
560 views

Should comboboxes/radio groups be marked “required” in a form?

Suppose you have a web form, with some fields being optional and some being required. One of these fields is a combobox or radio button group, for which a valid default option is pre-selected and it ...
2
votes
1answer
74 views

Input error icon and clear icon at the same time

In Material design documentation we see optional icons inside an input. What if I want to have a clear icon (3) and display an error icon (2) at the same time? Side by side?
1
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0answers
38 views

How do I best show the format that's allowed for an input?

I can restrict the input on the front-end to certain values or make it match a regex pattern, but the user might be confused about why they can't input certain values unless it's communicated to them ...
0
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3answers
80 views

Form validation when the field is optional

I am working on a form where the phone number is optional. What is the best practice regarding a validation mechanism that checks if it's a correct phone number (over 10 digits): No form of ...
4
votes
4answers
76 views

Validation without an explicit confirmation

I am currently working on an app. This app has some features that the user can unlock by entering a numeric code. I was considering putting an automatic validation as soon as the user types the last ...
3
votes
2answers
58 views

Forbid and deactivate alphanumeric keys in a form?

scenario: form validation I ask myself the question: in a special input form for postcode for example, in which only numbers (integer) are allowed. In a usability view I would say, you should be ...
3
votes
2answers
46 views

How indicate conditional required field in editable table?

In a form indicating which fields are required are often indicated by an asterisk (*). We have an editable table and I indicate a required column with aesthetics in the title of the column. The ...
8
votes
5answers
4k views

How would you ask the user if their drawn signature is similar to the ID card sign?

We have a flow where the user signs a contract drawing their signature with the finger. But it's very important that that finger signature is similar to the user's real signature printed in the ...
2
votes
1answer
38 views

Warning/ Information on top of a Modal

I want to give users a warning on a modal that changing one form field has implications on another form field. I am aware of 2 patterns that are used as shown here. I am seeking suggestions on what UI ...
1
vote
1answer
49 views

What is a good approach for warning user on leaving a modal or side flyout panel with unsaved changes?

The user is editing a form element on the RHS flyout panel and the editing is not completed. In the middle of the process, the user decides to undertake the following actions: Click outside the ...
3
votes
2answers
164 views

What should an error state for a number value be?

Let's say that there are different numbers presented to the user - money values ($1.50), percentage values (+25.53%), development values (+$3.50), etc. In case there is an error in retrieving one of ...
1
vote
2answers
84 views

What's the optimal number of digits for a verification text message?

This is regarding a validation process in an app. User has downloaded the app, within it they get asked to validate their account through a text message. So they have to check their messages, then ...
1
vote
1answer
74 views

What is the best way to validate a discount card online?

We are trying to figure out the best way to re-introduce a discount feature to our website. We have recently undergone a massive project implementing online sales to the site which has left us in a ...
1
vote
1answer
29 views

Communicating variable pricing in a form field?

Scenario I own a car rental shop and am setting up a fee schedule for when customers bring back a vehicle with signs of damage. Some damage has a defined price ie. a rear view mirror. Some damage is ...
5
votes
2answers
419 views

Valid to / Expiration date inclusive or exclusive

I have a form with a "Valid to" date field. This field represents the date in which something will expire. Should the "Valid to" date be inclusive or exclusive? E.g. Valid to = 04.02.2020. Should it ...
4
votes
1answer
129 views

Browsers ruin password UX with dropdown menus. How can I fix it?

FYI the image above was taken with autocomplete="new-password" As you can see, the dropdown is covering the error message (which ends in "letters and numbers" (plus a few other error messages). This ...
0
votes
0answers
33 views

Same form fields - two purposes/functions

Working on a project for adding new entry/entries to a table and/or viewing the table. We have required fields for adding a new entry. Only one of those fields is required for viewing. The ...
2
votes
1answer
140 views

How to provide validation feedback for multiple rows in a grid?

I'm designing a page that needs to let a user upload a spreadsheet with content to be imported into my database. I anticipate that some of these rows will contain data that's fine in Excel, but ...
0
votes
2answers
91 views

What's the best practice for screen navigation after invalid user input? [duplicate]

Consider an Angular app with many user inputs over screens A, B and C. Screen C needs valid inputs from A and B; B from A only; and A is independent. Suppose while on screen B the user enters invalid ...
1
vote
2answers
26 views

Diagnostics Report vs Form Validation when results are already known?

Context: I'm working on a software where the user can add specific external devices by using their IP and various other settings. These settings need to be entered correctly using a form and if ...
2
votes
3answers
105 views

validating input widgets

[This may be a well-worn old question -- apologies if so, but I have no idea how to search for it.] First, the background. (This is not the question yet.) Suppose I've got a GUI with an input ...
1
vote
1answer
147 views

When should an input validation border change?

When I was working on validation just now, I came up with a couple of questions with regard to validation. When should an input border's color change? When should it turn from (a default or) no color ...
0
votes
1answer
65 views

Form input - Follow expected sequence or offer field validation?

Validation opposed to expectations My team proposed to change the usual sequence of an address form. They want to put the country before the other address fields so they can validate the following ...
1
vote
2answers
115 views

When and how present a warning message when fields are not valid anymore?

I am working on a web app in which admin users can create forms, and editor users use those to create content. Admin can edit a form previously created and add warning validation based on specific ...
1
vote
6answers
101 views

Validation Tribulation - Multiple Simultaneous Meanings for the Word 'Cancel'

I've confused myself with a bunch of different Cancel buttons. In this scenario, the user initiates the "Document Packer", and starts to add items to their new pack. Before saving their new pack, ...
6
votes
3answers
1k views

When should the error state on an input field disappear?

I've seen two types of behaviour circulating; one where the error state disappears as soon as you start typing a new input (so when the input field is in focus), and one where it stays until the input ...
1
vote
1answer
63 views

Validation of a text file: how to best show the inline editor?

I'm making an app that validates a text file and then shows the errors associated with it. Currently all errors are listed as rows. I'd like to make it easy to correct the errors in the text file so ...
0
votes
3answers
108 views

Best practice for validating text input on mobile

I'm designing a mobile application where user can order groceries from different suppliers, each order could have a notes to the supplier. Due to different downstream systems used by different ...
0
votes
1answer
67 views

How to handle form validations when the Cancel button can lead into an incorrect state?

I'm designing a set of screens where the user inputs certain data on Screen #1, Screen #2, Screen #3, etc. At the end of their journey they're presented with a final review screen, where the user can ...
0
votes
1answer
102 views

Handling error messages on mobile when there are many fields

I am designing a signup form that has the following fields in it: Username Email Password Confirm Password Where did you hear about us? I have to show validation errors in these fields. There are ...
1
vote
2answers
70 views

Is it okay to save data only when user leaving screen?

I'm designing an app that controls a connected object. In one of the screens of the app, the user can activate or disable a nightlight and set the hours of lightning (e.g. 8pm - 7am). In the first ...
0
votes
2answers
385 views

Input validation for login page

We have a password input for both our login and signup pages. As the user types their password on the signup page, they will see something resembling the following: Note: Our password input doesn't ...
0
votes
1answer
385 views

Prevent users from entering honorifics (Mr. / Mrs. / Ms.) in the First Name field

We have a high-throughput User Info intake form that get thousands of submissions everyday. The form, among other fields, has fields for First Name and Last Name. The form text is translated to the ...
0
votes
3answers
267 views

How to encourage the user to check details before submission

I'm upgrading a legacy financial application which requires users to re-enter their password before a transaction is submitted. I need to remove the password check since I'm migrating users to a new ...
2
votes
1answer
126 views

Validations for dialogs

We developed a behavior, that presents warnings in the lower part of the dialog, in case that exists, after hitting the dialog button. The user can move forward with the warning. However, in some case ...
4
votes
2answers
156 views

Is it best practice to show errors that are potentially duplicate by implicit meaning, or just one error?

When validating form fields (such as a number field) - what is considered best practice when it comes to validations that potentially encapsulate another validation? Example: An Age field on a form. ...
2
votes
1answer
117 views

Less vs. Fewer for validation message?

Should an inputs validation message read as A or B for each of the following? A Nick Name must be 10 characters or less. B Nick Name must be 10 characters or fewer. A Number must be 10 digits or ...
2
votes
2answers
615 views

Best practices for validating emails in a text area

I want to allow my users to add email recipients in a text area by just writing their addresses manually or copy & paste them from somewhere - email addresses are separated via a comma or new line....
0
votes
2answers
2k views

Empty field. Error message or just highlight?

Which way would be better to add an error massage to the required empty field or it could be just highlighted?
0
votes
1answer
127 views

Inline validation on smaller forms

I'm trying to redesign the forms on our web app and run into an issue with inline validation messages. I started with putting the error message in the top right corner above the input and this worked ...
1
vote
3answers
116 views

Data Validation - Positioning

I have discovered that users are struggling with signing into our site due to data validation. Currently, the system has this logic: Wrong email/ID = display error Wrong password = display error ...
2
votes
1answer
97 views

What should be the content of a post submitted form validation message

Say I have a form, I submitted it, and received an error. While each field with error is marked in a red frame and has an icon, and mouseover shows the exact reason for this error. should the ...
2
votes
3answers
241 views

Does it make sense to display error messages for in-place editing?

In place editing definition: A label fields that when I click turns into an input field and allows me to type modify the text. Then either by clicking out or pressing tab it will automatically save ...
2
votes
2answers
133 views

Should I require starting name with a capital letter in form

I'm part of a team developing small web app. I'm responsible for frontend part of it. We've got form with inputs for user name and last name. Backend guy made a regex that requires name to be at least ...
1
vote
3answers
120 views

Best way to remind users to enter optional information if available

We have an internal AngularJS application that collections information about events and participants. Some fields are required and some are optional. Unfortunately there are a few fields (like phone ...
1
vote
1answer
67 views

Dropdowns/Select with changing list of items

I have "dropdowns" and "select inputs" that are fed from a remote endpoint. The list of items coming from the endpoint changes over time, so it's possible that an option selected some time ago is no ...
2
votes
1answer
250 views

When is the best time to validate an Input Field in a form? [duplicate]

I have a form with a few fields in them. I wish to validate all of them before I could submit the details entered. For example, First Name should have atleast 1 character. Email should match the Email-...
3
votes
3answers
698 views

Required Alternative Form Fields

I am wondering what the correct symbol would be to use instead of the regular * = required in the registration form we are using: We have an address form that has 4 fields of which one of them is ...
4
votes
4answers
463 views

How can I make complicated form logic more intuitive?

I'm building a search feature that allows users to find people based on providing a combination of their full name and SSN. The part of the business requirements that I am struggling with is this: ...
0
votes
1answer
38 views

Is it best to throw an error when validating one field on a save request

On our web application we have a form that users can use to edit details for a particular object. In the form there is one field that requires elevated permissions to update. On the UI, we hide that ...

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