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giovissimo
Helper I
Helper I

Wildcard characters in filter expression

Hello,

I have a table including all the students enrolled in a university course, and need to obtain the number of those who attended certain schools (identified by the prefix "school").

To do so, all I need is to FILTER the "SchoolName" field inside a CALCULATE expression, in order to count only those values starting with the word "school", adding an asterisk as a wild character after the word "school". 

Therefore I wrote the following:

 

Students = CALCULATE([Students], FILTER(ALL(Course[SchoolName]),Course[SchoolName]="School*"))
 
but I get a null value.
What's wrong with my expression ?
 
Giovanni
1 ACCEPTED SOLUTION
parry2k
Super User
Super User

@giovissimo there is no concept of wildcard, you can do something like this

 

Students = CALCULATE([Students], FILTER(ALL(Course[SchoolName]),LEFT(Course[SchoolName],5)="School"))

Students = CALCULATE([Students], FILTER(ALL(Course[SchoolName]),CONTAINSSTRING(Course[SchoolName],"School"))

 

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2 REPLIES 2
giovissimo
Helper I
Helper I

Thank you very much !

parry2k
Super User
Super User

@giovissimo there is no concept of wildcard, you can do something like this

 

Students = CALCULATE([Students], FILTER(ALL(Course[SchoolName]),LEFT(Course[SchoolName],5)="School"))

Students = CALCULATE([Students], FILTER(ALL(Course[SchoolName]),CONTAINSSTRING(Course[SchoolName],"School"))

 

Check my latest blog post Compare Budgeted Scenarios vs. Actuals I would  Kudos if my solution helped. 👉 If you can spend time posting the question, you can also make efforts to give Kudos to whoever helped to solve your problem. It is a token of appreciation!

Visit us at https://perytus.com, your one-stop-shop for Power BI-related projects/training/consultancy.



Subscribe to the @PowerBIHowTo YT channel for an upcoming video on List and Record functions in Power Query!!

Learn Power BI and Fabric - subscribe to our YT channel - Click here: @PowerBIHowTo

If my solution proved useful, I'd be delighted to receive Kudos. When you put effort into asking a question, it's equally thoughtful to acknowledge and give Kudos to the individual who helped you solve the problem. It's a small gesture that shows appreciation and encouragement! ❤


Did I answer your question? Mark my post as a solution. Proud to be a Super User! Appreciate your Kudos 🙂
Feel free to email me with any of your BI needs.

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