In the functions re.search.start(group) and re.search.end(group), if the argument groups not specified, it defaults to . . . . . . . .
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Python · all questionsRegular Expressions in Python
Regular Expressions in Python
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What is a character class in regular expressions?
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What will be the output of the following Python code?
re.split(r'(a)(t)', 'Maths is a difficult subject')Select an option to see the answer and solution.
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)Select an option to see the answer and solution.
What will be the output of the following Python code?
n = re.sub(r'\w+', 'Hello', 'Cats and dogs')Select an option to see the answer and solution.
What is the purpose of the re.sub() function in Python?
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What is the purpose of the re.MULTILINE flag in Python?
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The difference between the functions re.sub and re.subn is that re.sub returns a . . . . . . . . whereas re.subn returns a . . . . . . . .
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What will be the output of the following Python code?
re.split('mum', 'mumbai*', 1)Select an option to see the answer and solution.
The special character B matches the empty string, but only when it is . . . . . . . .
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Which of the following functions returns a dictionary mapping group names to group numbers?
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What will be the output of the following Python code?
re.split('[a-c]', '0a3B6', re.I)Select an option to see the answer and solution.
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)Select an option to see the answer and solution.
Which of the following statements regarding the output of the function re.match is incorrect?
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How can you replace a matched pattern with a new string using regular expressions in Python?
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Which of the following pattern matching modifiers permits whitespace and comments inside the regular expression?
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How can you match zero or more occurrences of a pattern in regular expressions?
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What will be the output of the following Python code?
re.split(r'(n\d)=', 'n1=3.1, n2=5, n3=4.565')Select an option to see the answer and solution.
Choose the option wherein the two choices do not refer to the same option.
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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)Select an option to see the answer and solution.