The function will check that the expression consists of entirely alphabetic characters. It takes the general form:
Where expression can return a result of any type.
The ISALPHA() function will return TRUE (1) if the expression consists of entirely alphabetic characters. The function will return FALSE (0) if any character in the expression is not alphabetic.
When the ISALPHA() function is used in International Mode the properties of each character is determined according to the Unicode Standard.
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