Py4e part 10- Questions and Answers 100% Solved

Py4e part 10- Questions and Answers 100%
Solved

What is the 'wild card' character in a regular expression (i.e.. the character that matches any
character)?



A. +

B. .

C. *

D. $

E. ^

F. ? Correct Ans-B



What is the difference between the '+' and '*' character in regular expression?



A. The '+' matches at least one character and the '*' matches zero or more characters

B. The '+' matches upper case characters and the '*' matches lowercase characters

C. The '+' matches the beginning of a line and the '*' matches the end of a line

D. The '+' matches the actual plus character and the '*' matches any character

E. The '+' indicates 'start of extraction' and the '*' indicates the 'end of extraction' Correct Ans-
A



What does the '[0-9]+' match in a regular expression?

, A. Several digits followed by a plus sign

B. Any mathematical expression

C. One or more digits

D. Zero or more digits

E. Any number of digits at the beginning of a line Correct Ans-C



What does the following Python sequence print out?



x = 'From: Using the : character'

y = re.findall('^F.+:', x)

print(y)



A. ['From:']

B. ^F.+:

C. From:

D. ['From: Using the :']

E. : Correct Ans-D



What character do you add to the '+' or '*' to indicate that the match is to be done in a non-greedy
manner?



A. \g