Solutions to Lab 4
------------------
For each question, we give the egrep command, 
followed by the result, and any comments.

1. egrep "happy" soap.txt | wc -l
1
So, the answer is "yes".

2. egrep "soap" soap.txt | wc -l
26

3. egrep "soap.*soap" soap.txt | wc -l
1

4. egrep "^[^a-z]" soap.txt  | wc -l
83

5. egrep "[\?\.\!]$" soap.txt | wc -l
29

6. egrep "[[:space:]]+[0-9]+[[:space:]]+" soap.txt  | wc -l
35

7. egrep "[[:space:]]+[0-9][0-9][[:space:]]+" soap.txt  | wc -l
9

8. egrep "[[:space:]][A-Za-z]{9}[[:space:]]" soap.txt   | wc -l
17

9. egrep "[[:space:]]j[A-Za-z]([A-Za-z][A-Za-z])*[[:space:]]" soap.txt
this gives:

bath-room shelf.  In just 5 days here I have accumulated 24 little

So, the answer is 'b'.