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Tip of the Day
Language: Visual Basic
Expertise: Beginner
May 13, 2002



Application Security Testing: An Integral Part of DevOps

Use the InStr() Function to Count Occurrences Within a String

There are many ways to count the occurrences of a string within a text. Here's a simple function that uses the InStr() function:
    Function CountWords(ByVal Text As String, _
        ByVal Word As String, _
        Optional ByVal Compare As VbCompareMethod _
         = vbTextCompare) As Long

    Dim Position As Long
    Dim WordLength As Long
        Position = InStr(1, Text, Word, Compare)
        WordLength = Len(Word)
        Do While Position
            CountWords = CountWords + 1
            Position = InStr(Position + WordLength, Text, _
Word, Compare)
    End Function
Andreas Hillqvist
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