Data Types VB.Net

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  4. Char IsNumber Method tells whether the specified Unicode character is categorized as a number
Imports System
Module IsNumberSample
    Sub Main()
        Dim str As String
        str = "non-numeric"
        Console.WriteLine(Char.IsNumber("8"c))      
        Console.WriteLine(Char.IsNumber(str, 3))    
    End Sub
End Module