Class TextValidation
Page Summary
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 usingsetValidation().
TextValidation
A DataValidation for aText.
// Add a text item to a form and require it to be a number within a range.constform=FormApp.create('My form');consttextItem=form.addTextItem().setTitle('Pick a number between 1 and 100?');consttextValidation=FormApp.createTextValidation().setHelpText('Input was not a number between 1 and 100.').requireNumberBetween(1,100).build();textItem.setValidation(textValidation);
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Last updated 2025-12-11 UTC.