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VBScript IsNumeric Function

The IsNumeric function returns a Boolean value that indicates whether a specified expression can be evaluated as a number. It returns True if the expression is recognized as a number; otherwise, it returns False."

Example

Example

<%

Dim x
x=10
response.write(IsNumeric(x) & "<br />")
x=Empty
response.write(IsNumeric(x) & "<br />")
x=Null
response.write(IsNumeric(x) & "<br />")
x="10"
response.write(IsNumeric(x) & "<br />")
x="911 Help"
response.write(IsNumeric(x))

%>

The output of the code above will be:

True
True
False
True
False

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