Using Expressions to Control Form Validation

Expressions control form validation. By linking expressions to form fields, you can assure that data entered into forms is in a consistent format and contains valid information. Expressions are supported for the JavaScript language.

By default, App Portal includes the following expressions, which are listed on the Expressions View:

Default Expressions on the Expressions View

For more information about JavaScript regular expressions, visit:

http://www.regular-expressions.info/javascript.html

Expressions are defined and listed on the Expressions subview of the Admin > Site Management view.

Creating a New Expression
Editing an Existing Expression
Adding an Expression to a Question