|  | Bellwo code will helps you to get wheather character is string or numeric 
 Sub Main()
 Dim sValue As String = "1Abc"
 Dim sValueAsArray = sValue.ToCharArray()
 If IsNumeric(sValueAsArray(0)) Then
 Console.WriteLine("First character is numeric")
 Else
 Console.WriteLine("First character is not numeric")
 End If
 Console.ReadLine()
 End Sub
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