Express each of these sets using a regular expression. a) The set consisting of the strings 0,

Question:

Express each of these sets using a regular expression.
a) The set consisting of the strings 0, 11, and 010
b) The set of strings of three 0s followed by two or more 0s
c) The set of strings of odd length
d) The set of strings that contain exactly one 1
e) The set of strings ending in 1 and not containing 000