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The source code in this issue is designed for Visual Basic 4.0 32-bit and above.
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This routine allows you to easily find the last occurrence of a particular character in a string. It is very useful when manipulating filenames. This will be used next week when we continue our discussion of the FTP class.
This routine should be added to the basStrings module we have been creating using past issues of Code of the Week.
Public Function FindLastOccurrence(sData As String, sSearchString As String) As Long
This routine returns the position of the last occurrence of the sSearchString. If it can not be found it will return 0.
Dim lPos As Long
sData = "c:\data\1998\filename.doc"
lPos = FindLastOccurrence(sData, "\")
' Will show c:\data\1998\ in the debug window
Debug.Print Left(sData, lPos)
' Will show filename.doc in the debug window
Debug.Print Mid(sData, lPos + 1)
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