The ISSPACE function checks that an expression consists entirely of space type characters.
NOTE: This function is only available in jBASE 4.1 and later.
expression can return a result of any type. The ISSPACE function will then return TRUE (1) if the expression consists of entirely space type characters. The function will return FALSE (0) if any character in the expression is not a space.
When the ISSPACE function is used in International Mode the properties of each character are determined according to the Unicode Standard.