expression is
not
expression
The is not
operator evaluates to false
if the given values are equal. Otherwise, it evaluates to true
.
If both given values are integer
s or number
s, the values will be compared numerically. If both given values are date
s, the values will be compared chronologically. Otherwise, the values will be compared as strings.
String comparison with the is not
operator is case-insensitive. For case-sensitive comparison, use the csstrcmp
function or the !==
operator.
does not equal
, doesn't equal
, is not equal to
, isn't
, isn't equal to
, !=
, <>
, ≠
, ≠≠