Power Query - 仅在某些字符后提取文本

Power Query - Extract Text after some chactacters only

我只想在第 5 个破折号之后获取文本,但是我尝试了一些方法仍然在 6 个破折号之后提取文本。

if Text.Contains([Column1],"-") and  
       Text.StartsWith([Column1],"- - - - - ")
then Text.AfterDelimiter([Column1],"- - - - - ")
else null 

输入:

Raw column
----- Kitchen - IL
------ Self-serve

输出:

Raw column Level 1 Level 2
----- Kitchen - IL Kitchen - IL null
------ Self-serve null Self-serve

小片段:

    #"get Level 2" = Table.AddColumn(#"get Raw Column", "Level 2", each if Text.Contains([Raw column],"-") and  
       Text.StartsWith([Raw column],"------") then Text.AfterDelimiter([Raw column],"------") else null),
    #"get Level 1" = Table.AddColumn(#"get Level 2", "Level 1", each if [Level 2] = null then if Text.Contains([Raw column],"-") and  
       Text.StartsWith([Raw column],"-----") then Text.AfterDelimiter([Raw column],"-----") else null else null),
    #"Reorder Columns" = Table.ReorderColumns(#"get Level 1",{"Raw column", "Level 1", "Level 2"})