PQ - Add zero if there is a single digit after last delimiter (here: / )

Column1		Result
Gi1/0/1		Gi1/0/01
GI1/0/11		GI1/0/11
abcdef5/8/5		abcdef5/8/05
abcdef5/8/56		abcdef5/8/56
ZXCV/bb/rtu/999/75		ZXCV/bb/rtu/999/75
abc/879/134/444444		abc/879/134/444444
ab/11/22/rem/3		ab/11/22/rem/03
ab/11/22/rem/44		ab/11/22/rem/44

Code:

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let Source = Excel.CurrentWorkbook(){[Name="Table1"]}[Content]
in Table.SelectColumns(Table.AddColumn(Source, "Result", each Text.Format("#{0}/#{1}",{Text.BeforeDelimiter([Column1], "/", {0, RelativePosition.FromEnd}),Text.PadStart(Text.AfterDelimiter([Column1], "/", {0, RelativePosition.FromEnd}),2,"0")})),{"Result"})

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