Hi @Asaf Oren ,
You may use the custom code to meet your requirement.
Code is like below:
Public Function AlphaNumeric(str As String) As String
Dim i As Integer
For i = 1 To Len(str)
If InStr(1, "01234567890ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz. ", Mid(str, i, 1)) Then AlphaNumeric = AlphaNumeric & Mid(str, i, 1)
Next
End Function
And then use =Code.AlphaNumeric(Fields!Yourdata.Value)
Please refer add-code-to-a-report-ssrs to use custom functions in SSRS.
If I misunderstand your needs, please incorrect me.
Regards,
Zoe
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