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Welcome to the Regular Expressions and Files MCQs Page

Dive deep into the fascinating world of Regular Expressions and Files with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Regular Expressions and Files, a crucial aspect of Python. In this section, you will encounter a diverse range of MCQs that cover various aspects of Regular Expressions and Files, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Python.

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Check out the MCQs below to embark on an enriching journey through Regular Expressions and Files. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Python.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Regular Expressions and Files. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Regular Expressions and Files MCQs | Page 3 of 10

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Discuss
Answer: (b).[”, β€˜n1’, β€˜3.1, β€˜, β€˜n2’, β€˜5, β€˜, β€˜n3’, β€˜4.565’]
Discuss
Answer: (c).Matches a pattern from any part of a string
Q23.
Which of the following functions creates a Python object?
Discuss
Answer: (a).re.compile(str)
Q24.
Which of the following pattern matching modifiers permits whitespace and comments inside the regular expression:
Discuss
Answer: (d).re.X
Q25.
What is the output of the code shown below?
s = 'welcome home'
m = re.match(r'(.*)(.*?)', s)
print(m.group())
Discuss
Answer: (c).welcome home
Discuss
Answer: (d).Matches a pattern at the start of the string
Q27.
The special character \B matches the empty string, but only when it is:
Discuss
Answer: (b).not at the beginning or end of a word
Q28.
The output of the code shown below is:
import re
s = "A new day"
m = re.match(r'(.*)(.*?)', s)
print(m.group(2))
 
print(m.group(0))
Discuss
Answer: (a).No output
A new day
Q29.
Which of the following special characters matches a pattern only at the end of the string?
Discuss
Answer: (c).\Z
Q30.
The output of the two codes shown below is the same. State whether true or false.
p = re.compile('hello')
r = p.match('hello everyone')
print(r.group(0))
 
r = re.match('hello', 'hello everyone')
print(r.group(0))
Discuss
Answer: (a).True
Page 3 of 10

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