Part II: Regular Expression 1. Chose match(es) for each given basic/extended regular expression (maybe multiple correct matches) and describe the pattern of matched string for 3), 4), 5), 6), 11). e.g. 'ab+a" (extended regex) a) ababa b) aba c)abba d)aabbaa e)aa Answer: b,c; Pattern : The matched string should begin and end with 'a' and 'b'occurs at least once between leading and ending 'a') Note: 5) to 12) are extended regexes. 5) "[a-z] (\+[a-z])+' (a) a+b+c (b) +b (C) x (d) x+1 (e) x+a 6) a.[bc]+ (a)azbc (b) az (c) azbcbc (d) acc (e)acz 7) a.[0-9]' (a)azz (b) az (c) a01 (d) ala (e)aza 8) "[a-z]+[\.\?!) (a good! (b) Book. (c) hard? (d) cool?hot (e)nothing