Lookup for value based on sorted mapping table

[PetrP]

Hi,

I have been solving the categorization case for some time. The case is therefore:

I have an mapping table (MapTable) where the order is important.

Keyword	Brand	Index
e-tron	Electric CAR	0
sportback	Sport CAR	1
Q6	SUV	2
4x	FourCross CAR	3
citycarver	City CAR	4

Also I have Product Table (Products).

Product

A1_citycarver_s-tronic_e-tron

A1_citycarver_s-tronic_TSI

A1_citycarver_s-tronic_TSI_4x

A6_sportback_s-tronic_TSI_4x

A6_avant_s-tronic_TSI_4x

Q6_sportback_s-tronic_TSI_4x

Q6_avant_s-tronic_TSI_e-tron

Q6_family_s-tronic_TSI_4x

Based on keyword from MapTable I need to assign Brand. As is known, LOOKUPVALUE function works with native sorting, you cannot specify another column in MapTable for sorting. So after using this function you get wrong Brand values. 

Brand = 
LOOKUPVALUE(MapTable[Brand],MapTable[Keyword],FIRSTNONBLANK(FILTER(VALUES(MapTable[Keyword]),SEARCH(MapTable[Keyword],Products[Product],1,0)),1))

 Second option I often use is that I am using all columns in filter, then I also need to get only specified column result as "search_value".

Brand Sorted = 
LOOKUPVALUE(MapTable[Brand],MapTable[Keyword],SELECTCOLUMNS(FIRSTNONBLANK(FILTER(VALUES(MapTable),SEARCH(MapTable[Keyword],Products[Product],1,0)),1),"search_value",MapTable[Keyword]))

 I hope the second option works, but does anyone have any other solution?

The result seems like:

Your feedback is welcome!

Thank you,

Petr

[amitchandak]

@PetrP , Not very clear to me.

You can also try like

Minx(filter(MapTable, SEARCH(MapTable[Keyword],Products[Product],,0)>0),MapTable[Brand])

[PetrP]

@amitchandak  Your formula just searching by native search, not based on search keyword ranking (index).

This means I need to use such a mechanism that iterate all keywords in MapTable row by row by Index rank. E.g..: search e-tron, if not found then search sportback etc.. If any keyword is searched, use the Brand column.