I have a table that stores a comma separated list of key value pairs ... i.e. so that I can then use these values in two joins to two other tables, based on these id's. Any help really appreciated.

Learn how to use Excel Power Query's extract and split column features to extract delimited strings into their components with this step-by-step tutorial. You might receive foreign data in the ...

based on various factors such as delimiter, text patterns, and data types. You can split data by selecting the column containing the data you want to split and then using the ‘Split Column ...