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How to auto remove some special characters from subject line when sending emails?

You may insert some special characters accidentally when you type subject in the subject line while sending email in Outlook, so you need to remove these special characters one by one. In this article, I will talk about how to remove all these special characters automatically from subject when sending emails.

Remove all special characters from subject line automatically when sending emails with VBA code

Remove all special characters from subject line automatically when sending emails with VBA code

Auto remove the special characters from subject line when sending emails, the following VBA code can do you a favor. Please do as this:

1. Hold down the ALT + F11 keys to open the Microsoft Visual Basic for Applications window.

2. In the Microsoft Visual Basic for Applications window, double click ThisOutlookSession from the Project1(VbaProject.OTM) pane to open the mode, and then copy and paste the following code into the blank module.

VBA code: Auto remove special characters from subject line

Private Sub Application_ItemSend(ByVal Item As Object, Cancel As Boolean)
    Dim xMailItem As Outlook.MailItem
    Dim xRegExp As RegExp
    Dim xSubject As String
    On Error Resume Next
    If Item.Class <> olMail Then Exit Sub
    Set xMailItem = Item
    xSubject = xMailItem.Subject
    Set xRegExp = CreateObject("VBScript.RegExp")
    With xRegExp
        .Global = True
        .IgnoreCase = True
        .Pattern = "[^a-zA-Z0-9\u4e00-\u9fa5]"
    End With
    If xRegExp.test(xSubject) = False Then Exit Sub
    xSubject = xRegExp.Replace(xSubject, "-")
    xMailItem.Subject = GetTargetStr(xSubject)
    Set RegExp = Nothing
End Sub
Function GetTargetStr(Str As String)
    Dim xS, xStr As String
    Dim i As Integer
    Dim xIsFirst As Boolean
    xIsFirst = True
    xStr = ""
    For i = 1 To Len(Str)
        xS = Mid(Str, i, 1)
        If xS = "-" Then
            If xIsFirst Then
                xS = " "
                xIsFirst = False
                xS = ""
            End If
            xIsFirst = True
        End If
        xStr = xStr + xS
    Next i
    GetTargetStr = xStr
End Function

doc remove special char 1

3. And then, still in the Microsoft Visual Basic for Applications window, click Tools > References to go to the References-Project1 dialog box, and check Microsoft VBAScript Regular Expressions 1.0 option from the Available References list box, see screenshot:

doc remove special char 2

4. Then click OK to close the dialog, now, when you send a message with some special characters in the subject line, it will be removed automatically after sending it. See screenshot:

doc remove special char 3

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