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IsNumber
Syntax
bRes = IsNumber ( vExpr ) AS Boolean
bRes = Number? ( vExpr ) AS Boolean

Returns if an expression is a number, i.e. if it is:

Example
PRINT IsNumber(1)

True

Example
PRINT IsNumber(False)

True

Example
PRINT IsNumber(Pi)

True

Example
PRINT IsNumber(Now)

False

Example
PRINT IsNumber(NULL)

False


See also
Datatype Functions