Written by Verifies if a given value is a legitimate cell reference.
Verifies if a specified value represents a numeric type.
Determines whether a given value is not text.
Determines if a value corresponds to the error `#N/A`.
Determines if a value is either `TRUE` or `FALSE`.
Verifies whether a referenced cell contains a formula.
Determines if a given value represents an error.
Determines if a value is any error type except for `#N/A`.
Verifies if a given input is a legitimate email address.
Determines if a given value constitutes a date.