Create two custom columns MIN and MAX from a string

[Cyrilbrd]

Given in column "Source" a mix of numbers with " to " as a delimiter.
Expected results:

The MIN column should return the smallest value 0 excluded.
The MAX column should return the biggest value.
If the value is unique OR if the MIN and the MAX are the same, only MIN should appear.

Example source with expected result:

Source	Min	Max
9 to 10 to 4 to 10.55 to 9 to 10 to 4 to 10.55 to 9 to 10 to 4 to 10.55	4	10.55
0 to 11.58 to 5 to 11.58 to 5	5	11.58
9.87 to 9.76	9.76	9.87
8.77 to 8.77	8.77
10.27	10.27
9.87 to 6.99 to 9.89 to 6.88	6.88	9.89

[amitchandak · Accepted solution]

@Cyrilbrd , Try this power Query code. Add in blank Query and check

let
    Source = Table.FromRows(Json.Document(Binary.Decompress(Binary.FromText("lU1bDoAwCLvKwrchbtkGnGXZGfzx/pHH1PjpB7S0TRkDJJ1HyrvtGhRbM/LPgA2qTvC5DXA/Z2xspH0vTdq44GlBJu9G6mo8wOQ2I7ltqPqC5J6+LBSvy6vehR1FopglbmYNLTAV5rwA", BinaryEncoding.Base64), Compression.Deflate)), let _t = ((type nullable text) meta [Serialized.Text = true]) in type table [Source = _t, Min = _t, Max = _t]),
    #"Changed Type" = Table.TransformColumnTypes(Source,{{"Source", type text}, {"Min", type number}, {"Max", type number}}),
    #"Added Custom" = Table.AddColumn(#"Changed Type", "Custom", each List.Min ( List.RemoveItems( List.Transform( Text.Split( Text.Replace(Text.Replace([Source], "to "," "), "  "," "), " ") , each Number.FromText(_)) , {0}))),
    #"Added Custom1" = Table.AddColumn(#"Added Custom", "Custom.1", each if  List.Max ( List.RemoveItems( List.Transform( Text.Split( Text.Replace(Text.Replace([Source], "to "," "), "  "," "), " ") , each Number.FromText(_)) , {0})) = List.Min ( List.RemoveItems( List.Transform( Text.Split( Text.Replace(Text.Replace([Source], "to "," "), "  "," "), " ") , each Number.FromText(_)) , {0})) then null else List.Max ( List.RemoveItems( List.Transform( Text.Split( Text.Replace(Text.Replace([Source], "to "," "), "  "," "), " ") , each Number.FromText(_)) , {0})))
in
    #"Added Custom1"