Removing illegal characters

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Alan McGowan

Senior Member
Outlook version
Outlook 2013 64 bit
Email Account
Exchange Server
HI, I'm using the code below to remove illegal characters before saving an email in MSG format. At present the illegal characters are either replaced with a hyphen or an underscore. I would like to amend this to simply remove the illegal characters and not substitute e.g. hel&p would become help rather than hel-p. However when I replace "_" in the code below with "" I get an error?
Code:
  ' Clean out characters from Subject which are not permitted in a file name

   For intC = 1 To Len(strMsgSubj)
     If InStr(1, ":<&>""", Mid(strMsgSubj, intC, 1)) > 0 Then
       Mid(strMsgSubj, intC, 1) = "-"
     End If
   Next intC

   For intC = 1 To Len(strMsgSubj)
     If InStr(1, "\/|*?", Mid(strMsgSubj, intC, 1)) > 0 Then
       Mid(strMsgSubj, intC, 1) = "_"
     End If
   Next intC
 
If you just want results rather than the technical reason Mid does not delete try this.

Private Sub remove_illegal()

' Clean out characters from Subject which are not permitted in a file name
' Loop in reverse if deleting

Dim strMsgSubj As String
Dim intC As Long

strMsgSubj = "Hello :<&>Jack\/|*? Goodbye"
Debug.Print strMsgSubj

For intC = Len(strMsgSubj) To 1 Step -1
If InStr(1, ":<&>""", Mid(strMsgSubj, intC, 1)) > 0 Then
strMsgSubj = Replace(strMsgSubj, (Mid(strMsgSubj, intC, 1)), "")
End If
Next intC

For intC = Len(strMsgSubj) To 1 Step -1
If InStr(1, "\/|*?", Mid(strMsgSubj, intC, 1)) > 0 Then
strMsgSubj = Replace(strMsgSubj, (Mid(strMsgSubj, intC, 1)), "")
End If
Next intC

Debug.Print strMsgSubj
End Sub
 
Great thanks. I'll happily just accept the results.
 
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