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Logic Functions

IsNot Operator

Description 1 of 3 (test that a value is not equal to another value):
Test that a first value is not equal to a second value.
Synonym:
<>
Returns:
Boolean
Parameters:
Parameter
Data Type
Description
1
Any
The first value.
2
Any
The second value.
Examples:
Expression
Result
0 IsNot 1
true
1 <> 1
false
"b" <> "a"
true
Description 2 of 3 (test that a list does not contain a value):
Test that a value is not a member of a list of values.
This is equivalent to
Not Member( value, list )
.
Returns:
Boolean
Parameters:
Parameter
Data Type
Description
1
Any
The value.
2
Any*
The list of values.
Examples:
Expression
Result
"z" IsNot List("a","b","c")
true
"c" <> List("a","b","c")
false
Description 3 of 3 (test that a list does not contain a value):
Test that a value is not a member of a list of values.
This is equivalent to
Not Member( value, list )
.
Returns:
Boolean
Parameters:
Parameter
Data Type
Description
1
Any*
The list of values.
2
Any
The value.
Examples:
Expression
Result
List("a","b","c") IsNot "z"
true
List("a","b","c") <> "b"
false

This article applies to:

  • Product: Contract Express

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