Use the StringSplitOptions enumeration to include or exclude substrings generated by the Split method. : String Split « Data Type « VB.Net Tutorial

1. VB.Net Tutorial
2. Data Type
3. String Split

Imports System

Class Sample
    Public Shared Sub Main() 
        Dim s1 As String = ",ONE,,TWO,,,THREE,,"
        Dim s2 As String = "[stop]" & _
                           "ONE[stop][stop]" & _
                           "TWO[stop][stop][stop]" & _
                           "THREE[stop][stop]"
        Dim charSeparators() As Char = {","c}
        Dim stringSeparators() As String = {"[stop]"}
        Dim result() As String

        result = s1.Split(charSeparators, StringSplitOptions.None)
        Show(result)

        result = s1.Split(charSeparators, StringSplitOptions.RemoveEmptyEntries)
        Show(result)

        result = s1.Split(charSeparators, 2, StringSplitOptions.None)
        Show(result)

        result = s1.Split(charSeparators, 2, StringSplitOptions.RemoveEmptyEntries)
        Show(result)

        result = s2.Split(stringSeparators, StringSplitOptions.None)
        Show(result)

        result = s2.Split(stringSeparators, StringSplitOptions.RemoveEmptyEntries)
        Show(result)

        result = s2.Split(stringSeparators, 2, StringSplitOptions.None)
        Show(result)

        result = s2.Split(stringSeparators, 2, StringSplitOptions.RemoveEmptyEntries)
        Show(result)


    End Sub

    Public Shared Sub Show(ByVal entries() As String) 
        Console.WriteLine("The return value contains these {0} elements:", entries.Length)
        Dim entry As String
        For Each entry In  entries
            Console.Write("<{0}>", entry)
        Next entry
        Console.Write(vbCrLf & vbCrLf)

    End Sub
End Class