Field validations
You can validate a field against a certain set of conditions so that the form can only be submitted if the conditions are met.
Hover a field in your form editor and click the grey tick icon (
) to access its validation settings or navigate to the Validation tab from the Field properties panel to your right.
The validation types that we support differs for every data type. Here's an overview of the fields and their supported validation types:
Validation |
Description |
Field type |
Equal to |
The field must exactly match a static value or the value in another field |
Text Number Currency Date Date & time Dropdown User |
Not equal to |
The field must not be a certain static value or the value in another field |
Text Number Currency Date Date & Time Dropdown User |
Contains |
The field must contain certain characters, but might also have other characters |
Text Text area |
Does not contain |
The field must not contain certain characters |
Text Text area |
Email format |
The field must be a valid email address |
Text |
URL format |
The field must contain no spaces and a dot followed by at least two letters |
Text |
Letters only |
The field must not have any numbers or symbols |
Text |
Numbers only |
The field must not have any letters or symbols |
Text |
No special characters |
The field must be only numbers and letters |
Text |
Starts with |
The field must start with certain values |
|
Ends with |
The field must end with certain value |
|
Domain equal to |
The field must exactly match a domain value |
|
Domain not equal to |
The field must not be a certain domain value |
|
Max length |
The field must not exceed a certain number of characters |
Text Text area |
Min length |
The field must be at least a certain number of characters |
Text Text area |
Part of |
The value entered must be part of a static value, or part of the value of another field (Text, Text area, Dropdown, or text-based Remote Lookup) |
Text |
Not part of |
The value entered must not be part of a static value, or part of the value of another field (Text, Text area, Dropdown, or text-based Remote Lookup) |
Text |
Greater than |
The value entered must be greater than another value or field |
Number Currency Date Date & Time |
Less than |
The value entered must be less than another value or field |
Number Currency Date Date & Time |
Greater than or equal to |
You get it |
Number Currency Date Date & Time |
Less than or equal to |
You get it |
Number Currency Date Date & Time |
In the future |
The date entered cannot be today or in the past |
Date Date & Time |
Not in the future |
The date may be today or in the past |
Date Date & Time |
In the past |
The date entered cannot be today or in the future |
Date Date & Time |
Not in the past |
The date may be today or in the future |
Date Date & Time |
Yes |
The value must be yes |
Yes/No |
No |
The value must be no |
Yes/No |
Attachment file type |
The attachment must be a particular file type |
Image Attachment |
Max attachment size |
The attachment must be less than a particular value of MBs |
Image Attachment |
Max number of attachments |
The maximum number of files at can be added to this field |
Attachment |
Min number of attachments |
The minimum number of files at can be added to this field |
Attachment |
Max number of selections |
The maximum number of values a user can select |
Checkbox/Multiselect Checklist |
Min number of selections |
The minimum number of values a user can select |
Checkbox/Multiselect Checklist |
Selection should contain |
Ensures that one specified value is among the selections |
Checkbox/Multiselect |
Selection should not contain |
Ensures that one specified value is not among the selections |
Checkbox/Multiselect |
Select all |
Forces the user to check off all the items |
Checklist |
If the validation is not met, a red error message will show underneath the field and the user will not be able to submit the form. You can customize the error message while editing the validation.