Chapter 13.4, Problem 1E

Describe in words the strings in each of these regular sets.

a) $1^{*}0$

b) $1^{*}00$

c) $111\cup 001$

d) ${\left(1\cup 00\right)}^{*}$

e) ${\left({00}^{*}1\right)}^{*}$

f) $\left(0\cup 1\right){\left(0\cup 1\right)}^{*}00$