Class TextValidation

  • TextValidation is a DataValidation specifically for TextItems in Google Forms.

  • It can be used to set validation rules for text input, such as requiring a number within a specific range.

  • You can customize the help text shown to the user when the input is invalid.

  • TextValidation objects are created using FormApp.createTextValidation() and applied to a TextItem using setValidation().
TextValidation

A DataValidation for a TextItem. 

// Add a text item to a form and require it to be a number within a range.
const form = FormApp.create('My form');
const textItem =
    form.addTextItem().setTitle('Pick a number between 1 and 100?');
const textValidation =
    FormApp.createTextValidation()
        .setHelpText('Input was not a number between 1 and 100.')
        .requireNumberBetween(1, 100)
        .build();
textItem.setValidation(textValidation);