The pseudocode above checks to see if the email address input contains an @ symbol. This is an example of which type of validation check?

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BlackTom AI · Accepted Answer

When we examine what the pseudocode is doing, the program is inspecting the structure or organization of the input to ensure it adheres to a specific pattern.
Option a: Range. This would be about whether a value lies within numeric or categorical bounds, not about the structure of a string like an email.
Option b: Data type. This would check whether the input is of a certain type (e.g., string, integer). The snippet is not verifying the data type, but rather the presence of a particular character.
Option c: Length. This concerns how many characters are in the input. The code is not measuring length; it is looking for a character required in a valid format.
Option d: Format. This matches the idea of validating the arrangement or pattern of the input, such as ensuring an email contains an at symbol and follows a standard email format. The check against '@' is a format validation step, ensuring the input conforms to a basic structural rule for emails.

The pseudocode above checks to see if the email address input contains an @ symbol. This is an example of which type of validation check?

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