使用**向左**或**向左**獲取字串中最左邊的 3 個字元
Const baseString As String = "Foo Bar"
Dim leftText As String
leftText = Left$(baseString, 3)
'leftText = "Foo"
Const baseString As String = "Foo Bar"
Dim leftText As String
leftText = Left$(baseString, 3)
'leftText = "Foo"