vb System.Char.IsDigit类(方法)实例源码

Module IsDigitSample

    Sub Main()

        Dim ch8 As Char
        ch8 = "8"c

        Console.WriteLine(Char.IsDigit(ch8))                    ' Output: "True"
        Console.WriteLine(Char.IsDigit("sample string", 6))     ' Output: "False"

    End Sub

End Module

' 导入命名空间
Imports System

Public Class MainClass

   Shared Sub Main()
      Console.WriteLine("is digit: " & Char.IsDigit("aaa") )
  End Sub ' Main

End Class