Handlebars Helper Function: isEmailAddress

Tests whether an email address is structurally valid.

This helper doesn’t verify that an email address or domain exists. It only checks whether the supplied address aligns with the standardized structure of an email address.

This helper is available in the Winter ’27 release of Marketing Cloud Next.

Parameter	Type	Description
emailAddress	String	Required. The email address to test.

The function returns true if emailAddress is structurally valid. Otherwise, it returns false.

This example checks whether an email address is structurally valid.

The function returns true.

This table lists results for several other examples, and explains why an example returns true or false.

Function Call	Result	Notes
{{isEmailAddress "pooja.chatterjee@example.com"}}	true
{{isEmailAddress "pooja.chaterjee@example"}}	true	An email domain can omit a top-level domain, such as .com.
{{isEmailAddress "pooja.chatterjeeexample.com"}}	false	This address is missing an at sign.
{{isEmailAddress "pooja@chatterjee@example.com"}}	false	This address contains two at signs.
{{isEmailAddress "@example.com"}}	false	This address is missing the local part, which appears before the at sign.
{{isEmailAddress "pooja.chatterjee@.com"}}	false	This address is missing a second-level domain.