Bonjour à tous !
Une proposition ?
let
Source = Excel.CurrentWorkbook(){[Name="tSource"]}[Content],
Type = Table.TransformColumnTypes(Source,{{"BASE", type text}}),
Skip = Table.Skip(Type, each (Text.Contains([BASE],"Date de la facture") or Text.Contains([BASE],"Mois calendar"))<>true),
Liste = Table.Group(Skip, {"BASE"}, {{"All", each _{1}[BASE]}},0,(x,y)=> if Text.Contains(y[BASE],"Date de la facture") or Text.Contains(y[BASE],"Mois calendar") then 1 else 0)[All]
in
Liste