Regular Expressions In Python — Part 1 MCQs with Explanations

A sequence of characters that defines a search pattern is the correct answer to “What is a regular expression in Python”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

It compiles a regular expression pattern into a regular expression object is the correct answer to “What is the purpose of the re.compile() function in Python”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

re is the correct answer to “Which module in Python supports regular expressions”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

By using the re module is the correct answer to “How can you use regular expressions in Python”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

It searches for a match only at the beginning of the string is the correct answer to “What does the match() function in the re module do”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

It finds all occurrences of a pattern in a string and returns them as a list is the correct answer to “What does the findall() function in the re module do”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

It compiles a regular expression is the correct answer to “What is the purpose of the re.IGNORECASE flag in Python”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

There are number apples and number oranges. is the correct answer to “What is the output of the following code: import re result = re.sub(r'd+', 'number', 'There are 5 apples and 3 oranges.') print(result)”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

By using the search() function from the re module is the correct answer to “How can you search for a specific pattern in a string using regular expressions in Python”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

re.compile(str) is the correct answer to “Which of the following creates a pattern object”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

matches a pattern at the start of the string is the correct answer to “What does the function re.match do”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

An error will occur is the correct answer to “What is the output of the following code: import re result = re.findall(r'bw+b', 'Hello, world!') print(result)”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

matches a pattern at any position in the string is the correct answer to “What does the function re.search do”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

world is the correct answer to “What is the output of the following code: import re result = re.search(r'hello', 'Hello, world!', re.IGNORECASE) print(result.group())”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

By using the group() method on the match object is the correct answer to “How can you extract a group from a matched regular expression in Python”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

It makes the . character match any character, including newline is the correct answer to “What is the purpose of the re.DOTALL flag in Python”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

['5', '3'] is the correct answer to “What will be the output of the following code: import re pattern = re.compile(r'd+') result = pattern.search('There are 5 apples and 3 oranges.') print(result.group())”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

re.match('George(?=Washington)', 'GeorgeWashington') is the correct answer to “Which of the codes shown below results in a match”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

Matches a pattern from any part of a string is the correct answer to “The function of re.search is . . . . . . . .”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

By using the ^ symbol is the correct answer to “How can you match the beginning of a string using regular expressions”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

False is the correct answer to “The function re.error raises an exception if a particular string contains no match for the given pattern.”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

['Hello', 'hello', 'hello', "] is the correct answer to “What will be the output of the following Python code? re.split('\W+', 'Hello, hello, hello.')”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

'^', '$' is the correct answer to “. . . . . . . . matches the start of the string. . . . . . . . . matches the end of the string.”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

25 is the correct answer to “What is the output of the following code: import re result = re.search(r'd{2}', 'There are 25 apples and 3 oranges.') print(result.group())”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

re.compile('hello', re.VERBOSE) is the correct answer to “What will be the output of the following Python code? re.compile('hello', re.X)”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

('XXXXAA', 4) is the correct answer to “What will be the output of the following Python code? re.subn('A', 'X', 'AAAAAA', count=4)”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

It finds all occurrences of a pattern in a string and returns them as a list is the correct answer to “What is the purpose of the re.findall() function in Python”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

re.purge() is the correct answer to “Which of the following functions clears the regular expression cache”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

['Chrome', 'is', 'better', 'than explorer'] is the correct answer to “What will be the output of the following Python code? re.split(r'\s+', 'Chrome is better than explorer', maxspilt=3)”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

256 is the correct answer to “What will be the output of the following Python code? import re re.ASCII”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

'new\\*\\*world' is the correct answer to “What will be the output of the following Python code? re.escape('new**world')”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

re.I is the correct answer to “Which of the following functions results in case insensitive matching”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

>>> p = re.subn() is the correct answer to “Which of the following will result in an error”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

exactly 5 is the correct answer to “The expression a{5} will match . . . . . . . . characters with the previous regular expression.”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

It allows you to write more readable and organized regular expressions is the correct answer to “What is the purpose of the re.VERBOSE flag in Python”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

'a' is the correct answer to “What will be the output of the following Python code? m = re.search('a', 'The blue umbrella') m.re.pattern”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

{'animal': 'horses', 'verb': 'are', 'adjective': 'fast'} is the correct answer to “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())”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

<_sre.SRE_Match object; span=(0, 4), match='spam'> is the correct answer to “What will be the output of the following Python code? re.match('sp(.*)am', 'spam')”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

By using a hyphen - between the characters is the correct answer to “How can you specify a range of characters in a character class in regular expressions”. This question is standard in competitive examination syllabi for Regular Expressions In Python.

[ ] is the correct answer to “What will be the output of the following Python function? re.findall("hello world", "hello", 1)”. This question is standard in competitive examination syllabi for Regular Expressions In Python.