[ممدوح]

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كود :

Private Sub resultButton1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles resultButton1.Click
        stringLabel1.Text = " "
        Dim a, b(), c, d As String
        c = "welcome to my world"
        stringLabel1.Text = c
        a = characterTextBox1.Text
        b = c.Split(a)
        d = String.Join(Nothing, b)
        resultLabel1.Text = d
    End Sub