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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:

Examples

PRINT IsNumber(1)
<hr>True

PRINT IsNumber(False)
<hr>True

PRINT IsNumber(Pi)
<hr>True

PRINT IsNumber(Now)
<hr>False

PRINT IsNumber(NULL)
<hr>False

See also

Datatype Functions