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Validate Email Address



Hello, I've seen posts before saying that an API is needed to validate an email address. Is there a way to do that without API?

My workflow is simple. I'd like to check if the email address entered by the user is using our domain, for example, @samplejess.com. If the email addressed entered does not match that domain, then the submission will not push thru. How will I do that?

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If you would only like to check for a single domain, '@samplejess.com', this might work for you.

1. Create a Virtual Field - Calc Value that will check if the entered email ends with "@samplejess.com"

WHEN [@field:Email] LIKE '%@samplejess.com' THEN 1

2. Add a JS code on your DataPage footer to prevent the submission if the value of the Calc Value is 0.

<script type="text/javascript">

document.addEventListener('BeforeFormSubmit', function(event) {

var Input1 = document.querySelector("span[id^='cbParamVirtual1']").innerHTML;

     if (Input1 == 0) {

alert('Enter your Caspio email!');

} else {






Then, hide your calculated value so it will not be displayed on your Submission form. 

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