Bonjour,
Un exemple.
let
CharsToRemove = List.Transform({48..57}, each Character.FromNumber(_)),
Source = Excel.CurrentWorkbook(){[Name="Tableau1"]}[Content],
Types = Table.TransformColumnTypes(Source,{{"COMPTE", type text}}),
AddedCustom = Table.AddColumn(Types, "Result", each Text.Remove([COMPTE],CharsToRemove)),
TrimmedText = Table.TransformColumns(AddedCustom,{{"Result", Text.Trim, type text}})
in
TrimmedText