特定の名前のヘッダー列「DATA/HORA」を検索して、以下のマクロに適応するにはどうすればよいですか?
Sub Data()
Dim cell As Range
Dim lastRow As Long
lastRow = Range("A" & Rows.Count).End(xlUp).Row
For Each cell In Range("A1:A" & lastRow)
If InStr(cell.Value, "-") <> 0 Then
cell.Value = RegexReplace(cell.Value, _
"(\d{4})\-(\d{2})\-(\d{2})", "$3/$2/$1")
End If
cell.NumberFormat = "dd/mm/yyyy;@"
Next
End Sub
Function RegexReplace
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End Function