Regular Expressions in Python Page-4 section-1

31.

What will be the output of the following Python code?

re.escape('new**world')

A. 'new world'

B. 'new\\*\\*world'

C. '**'

D. 'new', '*', '*', 'world'

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32.
Which of the following functions results in case insensitive matching?

A. re.A

B. re.U

C. re.I

D. re.X

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33.
Which of the following will result in an error?

A. >>> p = re.compile("d")
>>> p.search("door")

B. >>> p = re.escape(‘hello’)

C. >>> p = re.subn()

D. >>> p = re.purge()

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34.
The expression a{5} will match . . . . . . . . characters with the previous regular expression.

A. 5 or less

B. exactly 5

C. 5 or more

D. exactly 4

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35.
What is the purpose of the re.VERBOSE flag in Python?

A. It allows you to write more readable and organized regular expressions

B. It compiles a regular expression

C. It converts strings to regular expressions

D. It specifies a starting position

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36.

What will be the output of the following Python code?

m = re.search('a', 'The blue umbrella')
m.re.pattern

A. {}

B. 'The blue umbrella'

C. 'a'

D. No output

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37.

What will be the output of the following Python code?

sentence = 'horses are fast'
regex = re.compile('(?P<animal>\w+) (?P<verb>\w+) (?P<adjective>\w+)')
matched = re.search(regex, sentence)
print(matched.groupdict())

A. {'animal': 'horses', 'verb': 'are', 'adjective': 'fast'}

B. ('horses', 'are', 'fast')

C. 'horses are fast'

D. 'are'

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38.

What will be the output of the following Python code?

re.match('sp(.*)am', 'spam')

A. <_sre.SRE_Match object; span=(1, 4), match='spam'>

B. <_sre.SRE_Match object; span=(0, 4), match='spam'>

C. No output

D. Error

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39.
How can you specify a range of characters in a character class in regular expressions?

A. By using a hyphen - between the characters

B. By using a comma , between the characters

C. By using a colon : between the characters

D. By using a tilde ~ between the characters

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40.

What will be the output of the following Python function?

re.findall("hello world", "hello", 1)

A. ["hello"]

B. [ ]

C. hello

D. hello world

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31.
What will be the output of the following Python code?

`re.escape('new**world')`

Answer & Solution

32.
Which of the following functions results in case insensitive matching?

Answer & Solution

33.
Which of the following will result in an error?

Answer & Solution

34.
The expression a{5} will match . . . . . . . . characters with the previous regular expression.

Answer & Solution

35.
What is the purpose of the re.VERBOSE flag in Python?

Answer & Solution

36.
What will be the output of the following Python code?

`m = re.search('a', 'The blue umbrella') m.re.pattern`

Answer & Solution

37.
What will be the output of the following Python code?

`sentence = 'horses are fast' regex = re.compile('(?P<animal>\w+) (?P<verb>\w+) (?P<adjective>\w+)') matched = re.search(regex, sentence) print(matched.groupdict())`

Answer & Solution

38.
What will be the output of the following Python code?

`re.match('sp(.*)am', 'spam')`

Answer & Solution

39.
How can you specify a range of characters in a character class in regular expressions?

Answer & Solution

40.
What will be the output of the following Python function?

`re.findall("hello world", "hello", 1)`

Answer & Solution

Regular Expressions in Python

31. What will be the output of the following Python code? re.escape('new**world')

Answer & Solution

32. Which of the following functions results in case insensitive matching?

Answer & Solution

33. Which of the following will result in an error?

Answer & Solution

34. The expression a{5} will match . . . . . . . . characters with the previous regular expression.

Answer & Solution

35. What is the purpose of the re.VERBOSE flag in Python?

Answer & Solution

36. What will be the output of the following Python code? m = re.search('a', 'The blue umbrella') m.re.pattern

Answer & Solution

37. What will be the output of the following Python code? sentence = 'horses are fast' regex = re.compile('(?P<animal>\w+) (?P<verb>\w+) (?P<adjective>\w+)') matched = re.search(regex, sentence) print(matched.groupdict())

Answer & Solution

38. What will be the output of the following Python code? re.match('sp(.*)am', 'spam')

Answer & Solution

39. How can you specify a range of characters in a character class in regular expressions?

Answer & Solution

40. What will be the output of the following Python function? re.findall("hello world", "hello", 1)

Answer & Solution

31.
What will be the output of the following Python code?

`re.escape('new**world')`

32.
Which of the following functions results in case insensitive matching?

33.
Which of the following will result in an error?

34.
The expression a{5} will match . . . . . . . . characters with the previous regular expression.

35.
What is the purpose of the re.VERBOSE flag in Python?

36.
What will be the output of the following Python code?

`m = re.search('a', 'The blue umbrella') m.re.pattern`

37.
What will be the output of the following Python code?

`sentence = 'horses are fast' regex = re.compile('(?P<animal>\w+) (?P<verb>\w+) (?P<adjective>\w+)') matched = re.search(regex, sentence) print(matched.groupdict())`

38.
What will be the output of the following Python code?

`re.match('sp(.*)am', 'spam')`

39.
How can you specify a range of characters in a character class in regular expressions?

40.
What will be the output of the following Python function?

`re.findall("hello world", "hello", 1)`