Operators

is not

Supported By

Syntax

expression is not expression

Description

The is not operator evaluates to false if the given values are equal. Otherwise, it evaluates to true.

If both given values are integers or numbers, the values will be compared numerically. If both given values are dates, the values will be compared chronologically. Otherwise, the values will be compared as strings.

Note

String comparison with the is not operator is case-insensitive. For case-sensitive comparison, use the csstrcmp function or the !== operator.

Synonyms

does not equal, doesn't equal, is not equal to, isn't, isn't equal to, !=, <>, , ≠≠

See Also

!==, ne