Problem description & analysis:
There is a data table:
Task: Now we want to concatenate the ID numbers for each group of names by | to form a string, and put the result in column C (to calculate in cell C1).
Solution:
Use SPL XLL and enter the following code:
=spl("=E(?1).new(cum(~~+""|""+ID;Name):IDs)",A1:B13)The results are shown below:
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✨Plugin Installation Method: SPL XLL Installation and Configuration
✨References to other rich Excel operation cases: Desktop and Excel Data Processing Cases
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