I am working on a usecase to process a document list data. But in some of the cases I dont have proper list structure. It happens instead of setting up 1, 1.1, 1.1.1 , 2, a, b, c,3 etc are not actual list but normal stri…...=[mdclxvi])m*(c[md]|d?c{0,3})(x[cl]|l?x{0,3})(i[xv]|v...