[英]Excel VBA - count the duplicates
我有两个数组,其中包含字符串值。 让我们考虑以下示例。
我需要找到两个数组中重复项的数量。 在上述情况下,我需要总重复值为1(因为Array1和Array2中都包含人工智能)。 有没有办法在VBA中做到这一点?
此函数假定arr2是一维数组:
Function ArrDupCount(ByVal arr1 As Variant, ByVal arr2 As Variant) As Long
Dim varElement As Variant
Dim lMatch As Long
On Error Resume Next
For Each varElement In arr1
lMatch = 0
lMatch = WorksheetFunction.Match(varElement, arr2, 0)
If lMatch > 0 Then ArrDupCount = ArrDupCount + 1
Next varElement
On Error GoTo 0
End Function
要使用它:
Sub tgr()
Dim arr1 As Variant
Dim arr2 As Variant
arr1 = Array("Computer science", "Artificial Intelligence")
arr2 = Array("Eclipse", "MS", "RAD", "Linux", "Artificial Intelligence")
MsgBox ArrDupCount(arr1, arr2) ' => 1
End Sub
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