Text parsing

Hey guys suppose I have an application that is fed the body of my post. Now my post might contain quotations such as
>>8
>>3-7
>>2,3,4
>>7-8,2,5,10-12
It also may have quotations mid-text such as >>42.

Now, I want the result of my application to be
2 3 4 5 6 7 8 10 11 12
.
Notice 42 is missing because it was midtext.

How would you code that? (Before you laugh and say it's trivial - it is, but I want to code it).

I figured, maybe I will use perl. But maybe not. Since it's been a lot of time since I coded, I want to use something that is funky to code it. Perhaps factor, or J. Well, that's my shitty thread, thanks for reading.

Oh and by the way I want to code that because the current mechanism of the software to show you the quoted posts when you hit the Preview button is broken. Try quoting >>1,2 on top of your post and hit Preview; only >>1 will be shown. So after we cook up some solutions I think it'd be right to tell the admin.

http://www.jsoftware.com/help/primer/j_list_adding.htm

Years of research and thought have gone into how J verbs work with lists. For example, if you wanted to add 1 to each number in a list.


1 + 2 3 4
3 4 5

It just checks if one of the lists has unit length. "Years of thought".

>>3
K I was wrong. It actually is some sort of type checking beforehand.