Operators

isn't in

Supported By

Syntax

expression isn't in expression

Description

The isn't in operator evaluates to true if the string to the right of the operator does not contain the string to the left of the operator as a substring. Otherwise, it evaluates to false.

Note

The isn't in operator is case-insensitive. For case-sensitive comparison, use the csoffset function.

Synonyms

is not in, is not of, isn't of

See Also

does not contain, does not start with, does not end with, contains, is in, starts with, ends with