Excel formula to pull only certain text from row in CountIf

I am trying to wrap my head around this and hoping you can help.

I have a workbook that has a pivot table that looks like this:

1.  Sheet 'Metrics'
     -  Column A contains Data that looks similar to this:                        
        [Accounting Export]-Bug-9923      
        [Accounting Export]-Bug-9937                        
        [Accounting Export]-User Story-2585

2.  Sheet      'Accounting Export' (no brackets) is created
     - Column A contains the id's 9923, 9937 etc.  There may be multiple columns with this data

3.  Back on the 'Metrics' sheet
     - Column B contains a CountIf.  The CountIf is to count all rows on the Accounting Export sheet that contain the ID.  So for our example; Give me a count of all the rows in column A of the Accounting Export sheet that contain 9923.  

   - I would like this count if formula to automatically look at the data in column A -  [Accounting Export]-Bug-9923 and use the text before the front hyphen (Accounting Export sheet (minus the brackets) to find the sheet to look in and after the last hyphen to find the id (9923).  There will always be brackets around the product to ignore and the number will always be after the last hyphen.

I was given something like:  COUNTIF(INDIRECT("'" & LEFT(A4,FIND("-",A4)-1) & "'!A1:A500" ),MID(A4,FIND("-",A4)+1,4)) but I can't seem to understand it enough to altar the way I need.
Katharina DuBoseAsked:
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Glenn RayExcel VBA DeveloperCommented:
There are two issues.

First, the formula does not remove the square brackets from the string, so it's trying to look at a sheet named [Accounting Export].  Second, the function is not returning the rightmost digits after the second hyphen to add to the COUNTIF; it's getting the four after the first hyphen (ex., "Bug-").

If the IDs are always four digits, then this formula should return the correct value:
=COUNTIF(INDIRECT("'" & SUBSTITUTE(SUBSTITUTE(LEFT(A4,FIND("-",A4)-1),"[",""),"]","") & "'!A1:A500" ),RIGHT(A4,4))

-Glenn
Katharina DuBoseAuthor Commented:
I can't seem to get it to register in the query.  The numbers will not always be 4 digit - they can range up to 6.  I tried with 4 digits and it fills the cell with the #VALUE!.  I've attached a file as an example.
Glenn RayExcel VBA DeveloperCommented:
Here's the revised formula to handle any number of digits:
=COUNTIF(INDIRECT("'" & SUBSTITUTE(SUBSTITUTE(LEFT(A4,FIND("-",A4)-1),"[",""),"]","") & "'!A1:A500" ),MID(A4,FIND("-",A4,FIND("-",A4)+1)+1,10))

See example workbook.

-Glenn
EE-countif.xlsx

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Katharina DuBoseAuthor Commented:
I guess my copy is not working but it's working in the example.  I'll figure that out, perfect!  Thank you so much!
Katharina DuBoseAuthor Commented:
Thank you!
Glenn RayExcel VBA DeveloperCommented:
Just check your cell references (A4 in the example) and make sure they're lining up with your PivotTable data.
Katharina DuBoseAuthor Commented:
ok, thank you
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