VBA エディターで新しいモジュールに貼り付ける必要がある 2 つのドット表記のバージョン番号を比較する関数を次に示します。
Option Explicit
Public Function VersionCompare(CurrentVersion As Range, _
TargetVersion As Range)
Dim result As Integer
result = CompareDotStrings(CurrentVersion.Cells(1, 1).Value, _
TargetVersion.Cells(1, 1).Value)
If result = 1 Then
VersionCompare = True
Else
VersionCompare = False
End If
End Function
Private Function CompareDotStrings(LeftValue As String, _
RightValue As String) _
As Integer
Dim CompareLeft() As String, CompareRight() As String, CompareLength As Integer
CompareLeft = Split(LeftValue, ".")
CompareRight = Split(RightValue, ".")
CompareLength = UBound(CompareLeft)
If UBound(CompareRight) < CompareLength Then CompareLength = UBound(CompareRight)
Dim ElementLeft As Integer, ElementRight As Integer, Comparison As Integer
Dim ElementNumber As Integer
For ElementNumber = 0 To CompareLength
ElementLeft = CInt(CompareLeft(ElementNumber))
ElementRight = CInt(CompareRight(ElementNumber))
Comparison = ElementRight - ElementLeft
If Comparison <> 0 Then
CompareDotStrings = Sgn(Comparison)
Exit Function
End If
Next ElementNumber
CompareDotStrings = 0
End Function
これを使用=VersionCompare(H2, C2)
すると、2 つのバージョン番号を比較するために使用でき、その他の必要なことはすべて (破線のバージョンを分割するなど)、ワークシートの数式で実行できます。