1) \'a(ab)\'a (ajababa(b) aaba (c) aabab (d) aabbaa (ejaa (a) abc(b) abe (c)albc

Question

1) 'a(ab)'a (ajababa(b) aaba (c) aabab (d) aabbaa (ejaa (a) abc(b) abe (c)albc (d)a? (e) abcbc (a) wind (b) window (c) end (d) good (e)will (a)at(b6+ (d)a6 (e) aa+1 3) nd] 4) Ta-z]+10-91 5) 'a(alb)'a 6) Ta-z1( la-z0-9) 7) 'a (bc)' 8) a 10-9 (ajababa ( (c) aabab (d) aabbaa (eaa (a) x+9 (b)xey (c1 (dy (e)xey (a)azbe (b)az (c) azbcbc (d)acc (ejacz (a)al1 (b)a2 (c)ab2 (d) abe (elaaa 9) Ta-t121 10 a-21s IA-Z] (hint: Is matches any whitespace characters) 11) (very1s) (cools) (goodjbad) weather abash!(b( Java? (d) python! (ec* (ajo, year(b) xy (c) U.S (d)Hello HELLO (e)index?a (a)very weather (b) very cool weather (c) good weather (d) very cool good weather(e)cool bad weather (a)123(b) -123 (c)-(d) -22 (e) 12 (a)123 b)-123 ()0(d)-22 e) 12 12) 2(91-91109)r 13) 0-91 1210-91

Explanation / Answer

is used for escape next character  

? is used for 1 or none

+ is used for 1 or more

* is used for 0 or more

. is used for any character

| is used for either left or right a|b is either a or b

[a-b] specify range between a to b

s is used for space

1) e

2) a

3) c

4) d

5) e

6) d

7) b

8) c

9) a

10) d

11) c

12) c

13 ) b

Related Questions

Navigate

• Browse (All)
• Browse 1
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.