The regular expression part

lab04/Lab4

+Q1: I will use grep for the rest of this assignment. 
+ egrep 'the' bright_side_of_life
+Q2: egrep '\<the\>' bright_side_of_life
+Q3: '\<\Just\>'
+Q4: '\<[Jj]ust\>' 
+Q5: '^\<[Jj]ust\>'
+Q6: '\<[bm]ad\>'
+Q7: '\<(d|br)eath\>'
+Q8: '\<you\>[[:punct:]]$'
+Q9: '^[[:space:]]+'
+Q10: '^[[:blank:]]*$'
+Q11: 13 lines