Tests the value of an expression to determine whether it is numeric, or can be converted to a numeric value.

Syntax

IsNumeric ( expr )

Elements

expr

Any expression.

The IsNumeric function returns TRUE (-1) if the value of expr is a numeric value or can be converted to a numeric value. The following values are numeric:

• Integer
• Long
• Single
• Double
• Currency
• Date/Time
• EMPTY
• String (if interpretable as number)
• OLE error
• Boolean (TRUE, FALSE)

• NULL
• Array
• List
• Object (OLE Automation object, product object, or user-defined object)
• String (if it cannot be interpreted as number)
• NOTHING

A common use of IsNumeric is to determine whether a Variant expression has a numeric value.

Language cross-reference

@IsNumber

Example
See Also

LotusScript Language Reference: I through L
About data types
IsDate function
IsEmpty function
IsNull function
IsScalar function

Glossary