我想从头开始删除字符：
If TxtNumberListScan.Text.Contains(",") Then
TxtNumberListScan.Text = TxtNumberListScan.Text.Replace(",", " ")
End If
如何应用该代码以及如何用于我想要的代码？
Textbox1：Text =
2019-09-22 / 22:40 4, 9, 11, 14, 15, 24, 28, 30, 31, 32, 43, 46, 56, 61, 64, 65, 67, 68, 71, 78
2019-09-22 / 15:00 2, 8, 11, 15, 17, 25, 33, 34, 44, 48, 49, 50, 52, 60, 61, 62, 69, 70, 74, 77
2019-09-21 / 22:40 1, 4, 8, 9, 10, 21, 23, 24, 25, 32, 40, 43, 52, 54, 55, 61, 68, 72, 73, 75
2019-09-21 / 15:00 5, 6, 12, 13, 18, 24, 26, 28, 29, 32, 40, 46, 50, 52, 56, 62, 63, 65, 70, 74
输出：我期望什么：Textbox2.Text =
4, 9, 11, 14, 15, 24, 28, 30, 31, 32, 43, 46, 56, 61, 64, 65, 67, 68, 71, 78
2, 8, 11, 15, 17, 25, 33, 34, 44, 48, 49, 50, 52, 60, 61, 62, 69, 70, 74, 77
1, 4, 8, 9, 10, 21, 23, 24, 25, 32, 40, 43, 52, 54, 55, 61, 68, 72, 73, 75
5, 6, 12, 13, 18, 24, 26, 28, 29, 32, 40, 46, 50, 52, 56, 62, 63, 65, 70, 74