I have a Massive CSV file ( 120gb) from a database where the file is obviously no longer normalised.. I'm trying to build a filter or even just search a certain way.. if you look at the data.. there will be a . for option followed by a | for selection thereafter. now in those selections there can be a single number, or 2 3 4 5 how ever many the data gives..
I want to be able to search or filter for instance ALL subsetinv.normal|"x,x,x" meaning all subsetinv normal with 3 number selections.