Question

How to check if a value is a Unicode letter in VB.NET

Answer 1

Imports System

Public Class Test
    Public Shared Sub Main()
        Dim ch As Char = "0"
 
        Console.WriteLine(Char.IsLetter(ch))
        Console.WriteLine(Char.IsLetter("a"))
        
        Console.WriteLine(Char.IsLetter("vb.net programming", 2))
        Console.WriteLine(Char.IsLetter("vb.net programming", 3))

    End Sub
End Class



' run:

' False
' True
' False
' True

 

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