I've decided to extend the deadline of assignment 2 to 4pm 
Monday Feb 12. This is to allow you time to produce a relatively
polished write-up describing your approach (to be inserted 
as a comment at the start of your program) and to further
explore regexs and Perl. 

You should write this for a reader who is familiar with regular
expressions but not this particular assignment. Assume that
I have been knocked on the head with a brick and have forgotten
all previous discussion we have had about this assignment, but
that I have miraculously retained my understanding of Perl 
and regexs. 

In the next day or two I will provide you with 5-10 specific
test cases that I would like you to discuss in your write up.
You should describe in detail how your approach will handle 
each of these. 

So, your write up should have three sections -

1) The GENERAL APPROACH, using examples to illustrate important
points. Provide sufficient background information on the problem
so that the reader is clear about your objectives without needing
to have been exposed to the assignment discussions in class
or via email. 

2) how it handles my TEST CASES, being as specific as possible

3) PROBLEMATIC CASES - regexs that prove troublesome or produce
counterintuitive results. You do not need to discuss things
like /*/ /*/ however. Focus on more reasonable cases that
could arise in practice. I will expect a detailed discussion
of at least THREE problematic cases. 

Since I will be relying upon your write-up to assess your
program, it should be written as you would write an essay
or paper. (In other words, even though you are including it
as a program comment, do not write it as if it were "just"
program comments)


Good luck!