avoid exporting duplicate strings

In the following project, I am modifying websites from a text file in an MSFlexGrid.  What is needed is a way to check whether the newly added entries are already duplicated before exporting them to the text file again.  

How can I put a msgbox or test in place to avoid duplication?

Also, how can I sort the sites in alphabetical order?
CB.zip
al4629740Asked:
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Martin LissOlder than dirtCommented:
When you say alphabetical order are you talking just about what you see in the grid? If so that is probably not too hard, but if you are also talking about the output file that's not possible unless the output file consists of only the records that start with "^" and not records like "ALLOW_DROPBOX_r05-02-2013".
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Martin LissOlder than dirtCommented:
To avoid duplication, replace the current ValidWebsite  function with this one.
Private Function ValidWebsite() As Boolean
Dim intPos As Integer
Dim lngIndex As Long

If Not txtEdit.Visible Then
    ValidWebsite = True
    Exit Function
End If

intPos = InStrRev(txtEdit.Text, ".")
' The "Len" portion of the following makes sure that there's
' something following the dot
If intPos = 0 Or intPos = Len(txtEdit.Text) Then
    MsgBox "The website name must have a domain", vbExclamation + vbOKOnly, "Missing Domain Name"
    txtEdit.SetFocus
    Exit Function
End If

For lngIndex = 0 To MSFlexGrid1.Rows - 1
    If UCase(MSFlexGrid1.TextMatrix(lngIndex, 0)) = UCase(txtEdit.Text) Then
        MsgBox "The website name '" & txtEdit.Text & "' already exists", vbExclamation + vbOKOnly, "Missing Domain Name"
        txtEdit.SetFocus
        Exit Function
   End If
Next

ValidWebsite = True
End Function

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al4629740Author Commented:
alphabetical in the grid only
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Martin LissOlder than dirtCommented:
Phew! It's still going to be tricky but I'll give it a try.
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al4629740Author Commented:
I'll open it in another question
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Martin LissOlder than dirtCommented:
Thanks, I appreciate that.
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al4629740Author Commented:
Nope, I appreciate your help
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