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8.2.17 Xor Operator

Used to perform a logical exclusion on two expressions.
 

Syntax

result = expression1 Xor expression2

Arguments

result
Any numeric variable.
expression1
Any expression.
expression2
Any expression.

Remarks

If one, and only one, of the expressions evaluates to True, result is True. However, if either expression is Null, result is also Null. When neither expression is Null, result is determined according to the following table:
 

If expression1 is And expression2 is Then result is
True
 
True
 
False
 
True
 
False
 
True
 
False
 
True
 
True
 
False
 
False
 
False
 
The Xor operator also performs a bitwise comparison of identically positioned bits in two numeric expressions and sets the corresponding bit in result according to the following table:
 

If bit in expression1 is And bit in expression2 is Then result is
0
 
0
 
0
 
0
 
1
 
1
 
1
 
0
 
1
 
1
 
1
 
0
 


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