Public Class Form3
    Dim GeralTF As String = ""
    Dim V As New List(Of System.Text.RegularExpressions.Regex)
    Dim VR As New List(Of String)

    Private Sub bemvindo_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles bemvindo.Click

    End Sub

    Private Sub PictureBox1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles PictureBox1.Click
        Application.ExitThread()
    End Sub

    Private Sub PictureBox2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles PictureBox2.Click
        Me.WindowState = FormWindowState.Minimized
    End Sub

    Private Sub PictureBox3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles PictureBox3.Click
        Form1.Show()
        Me.Hide()
    End Sub

    Private Sub body_Paint(ByVal sender As System.Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles body.Paint

    End Sub

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        VR.Add(TextBox2.Text) 'Text Box de    nome
        VR.Add(ComboBox1.Text) 'Text Box de    tipo
        VR.Add(TextBox3.Text) 'Text Box de    usando


        Dim finalT As String = GeralTF
        Dim i As Int16 = 0
        For Each regexi As System.Text.RegularExpressions.Regex In V
            finalT = regexi.Replace(finalT, VR(i))
            i += 1
        Next
        RichTextBox1.Text = finalT
    End Sub

    Private Sub Form1_Load(ByVal sender As Object, ByVal e As EventArgs) Handles MyBase.Load
        GeralTF = RichTextBox1.Text

        'O que substituir
        V.Add(New System.Text.RegularExpressions.Regex("{nome}"))
        V.Add(New System.Text.RegularExpressions.Regex("{tipo}"))
        V.Add(New System.Text.RegularExpressions.Regex("{usando}"))
    End Sub
End Class