Field validations

Validations hold a form back from submission until a field meets the conditions you set, configured from the Validation tab.

BasicEnterprise

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 over 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 Email 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 Email Number Currency Date Date & Time Dropdown User
Contains	The field must contain certain characters, but might also have other characters. Ensures your value is found somewhere inside the user's input. For example, if your value is New York, the user could type I love New York or New York city to pass.	Text Text area Email
Does not contain	The field must not contain certain characters.	Text Text area Email
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.	Email
Ends with	The field must end with certain values.	Email
Domain equal to	The field must exactly match a domain value.	Email
Domain not equal to	The field must not be a certain domain value.	Email
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, such as Text, Text area, Dropdown, or text-based Remote Lookup. Ensures the user's input is a part of the value you define. For example, if your value is New York, users can type New, York, ork, or New York to pass. Note: This is case-sensitive.	Text
Not part of	The value entered must not be part of a static value, or part of the value of another field, such as, 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	The value entered must be greater than or equal to another value or field.	Number Currency Date Date & Time
Less than or equal to	The value entered must be less than or equal to another value or field.	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 that can be added to this field.	Attachment
Min number of attachments	The minimum number of files that 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, an error message will be displayed underneath the field and the user will not be able to submit the form. You can customize the error message while editing the validation.