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Franny_Spanny
Frequent Visitor

Check naming convention of data

Hi all, 

I am trying to find a way to check a standardised naming convention. 

 

We use a standard file naming format of:

 

??????-????-???-???-??-??-?-????

Project-Code-Originator-Volume-Level-Type-Discipline-Number

 

I would like to check a whole column of file names against the above standard. 

 

I really have no idea where to start with this - I already have checks that check each individual section between delimiters against a picklist (ie. Originator code exists in list, Volume code exists in list etc.) but I'm not sure where to start with checking the whole file name.

 

I know that we cannot use 'wildcards' such as ?? or * in PowerBI or PowerQuery so I'm a little stumped as the best way to achieve this.

 

Any help much appreciated!

3 REPLIES 3
Greg_Deckler
Super User
Super User

@Franny_Spanny Is using DAX an option? Another option would be to add a Python or R step to the query and use regex.


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DAX is easy, CALCULATE makes DAX hard...

@Greg_Deckler absolutely okay for DAX. Python is possible.

R not an option due to this being work related and unfortunately unable to get R installed due to lots of red tape!

Hey @Greg_Deckler, not sure if you saw my whole reply as it was a later edit, so just wanted to tag again just in case 🙂 

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