I have a form with an EmailId field, and I am attempting to validate the email in the portal. However, I am encountering an error with the function validateemailaddress(). Is there any alternative method to validate the email?
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It is a part of the 'People Functions' plugin and won't work on portals. Instead, you will have to build a custom expression to check the email.
The basic condition should be that it should include 1 '@' and not more than that. It should have a domain name followed by the identifier etc.