How to delete everything after a dash and put the remaining text on 4 characters in DAX?

[matdub40]

I have in Visual Studio a table `Y2_Sales` which contains a column "`color`" with values like this :

85-GREY MARLE
90-BLACK
90-BLACK
1000-WHITE
49-NAVY
90-BLACK
3021-BONE

I would like to make a calculated column in my template and delete everything after the dash and put the remaining numbers on 4 characters, which would give :

0085
0090
0090
1000
0049
0090
3021

I tried this formula but it returns me for example `90-` how to remove this last dash?

=LEFT([color],
     IF (SEARCH("-",[color],1,0) > 0,
         SEARCH("-",[color],1,0),
           LEN([color])
          )
      )

Could someone help me?

[Jihwan_Kim]

Hi, @matdub40 

I am not sure if you want to do this in Power Query Editor.

I think it is a bit easier doing this in Power Query Editor like below (link down below)

https://www.dropbox.com/s/oxp7d0nks97tort/matdub.pbix?dl=0 

Hi, My name is Jihwan Kim.

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[matdub40]

Hi @Jihwan_Kim ,

Thank you for your answer, I will look into it, but I would prefer to do it in Visual Studio with a calculated column without having to modify the Power BI part.

You have made two distinct columns that separate my two values, I have only one column your two columns separated by a dash like: 90-BLACK