Either do as suggested in Reply #20 or (better, IMHO) post your complete program that includes my suggested solution. If the program is too long then just add your .ino file as an attachment.
The parse example is not specifically designed to meet your problem. I did not even know you existed when I wrote it. The idea is to give you an illustration of how to do the sort of thing that you need. You will need to modify it to deal with your specific requirement.
Have you tried my 3rd example on its own without any of your own code?
...R