Question 1 of 25
Hints left: 3
Q1
What will be the output of the following Python code? re.split(r'(n\d)=', 'n1=3.1, n2=5, n3=4.565')
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A
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B
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C
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D
Q2
The difference between the functions re.sub and re.subn is that re.sub returns a . . . . . . . . whereas re.subn returns a . . . . . . . .
Q3
What is a character class in regular expressions?
Q4
What will be the output of the following code: import re pattern = re.compile(r'b[A-Z]+b') result = pattern.findall('Hello, WORLD!') print(result)
Q5
What will be the output of the following Python code? n = re.sub(r'\w+', 'Hello', 'Cats and dogs')
Q6
Which of the following statements regarding the output of the function re.match is incorrect?
Q7
How can you specify a range of characters in a character class in regular expressions?
Q8
What is the purpose of the re.sub() function in Python?
Q9
What will be the output of the following code: import re result = re.findall(r'd{1,3}', 'There are 25 apples and 300 oranges.') print(result)
Q10
What will be the output of the following Python code? re.split('[a-c]', '0a3B6', re.I)
Q11
What will be the output of the following Python code? re.split(r'(a)(t)', 'Maths is a difficult subject')
Q12
What will be the output of the following Python code? sentence = 'we are humans' matched = re.match(r'(.*) (.*?) (.*)', sentence) print(matched.group())
Q13
Choose the option wherein the two choices do not refer to the same option.
Q14
The special character B matches the empty string, but only when it is . . . . . . . .
Q15
What is the output of the following code: import re result = re.sub(r's', '-', 'This is a test.') print(result)
Q16
How can you replace a matched pattern with a new string using regular expressions in Python?
Q17
What will be the output of the following Python code? import re s = 'abc123 xyz666 lmn-11 def77' re.sub(r'\b([a-z]+)(\d+)', r'\2\1:', s)
Q18
What is the purpose of the re.MULTILINE flag in Python?
Q19
Which of the following pattern matching modifiers permits whitespace and comments inside the regular expression?
Q20
Which of the following functions does not accept any argument?
Q21
Which of the following functions returns a dictionary mapping group names to group numbers?
Q22
How can you match zero or more occurrences of a pattern in regular expressions?
Q23
What will be the output of the following Python function? re.findall("hello world", "hello", 1)
Q24
What will be the output of the following Python code? re.split('mum', 'mumbai*', 1)
Q25
In the functions re.search.start(group) and re.search.end(group), if the argument groups not specified, it defaults to . . . . . . . .