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Python RE Built in Function

Question 1

Which python module is used to work with regular expressions?

regex

string

re

match

Question 2

What is the purpose of the re.split() function in python?

It combines multiple regular expressions into one pattern.

It splits a string into a list of substrings using a regular expression as the delimiter.

It returns the length of a regular expression pattern.

It removes all matches of regular expression pattern from a string.

Question 3

What dose the re.sub() function do in python?

It counts the occurrences of a regular expression in a string.

It searches for a regular expression pattern in a string and returns the first match.

It replaces all occurrences of a regular expression pattern in a string with a specified replacement.

It returns the number of matches in a regular expression.

Question 4

Which of the following flags is used to perform a case-insensitive search in regular expressions in python?

i

c

s

re. IGORENCASE

Question 5

Which function is used to retrieve information about the matching groups in a regular expression match object?

group()

match_info()

groups()

groupinfo()

Question 6

Which character is used to match the end of a line in a regular expression pattern?

$

^

*

+

Question 7

What dose the re.compile() function do in python?

Compiles a python script.

Compiles a regular expression pattern for faster searching.

Compiles a list of strings into a single string.

Compiles a list of regular expressions into a single pattern.

Question 8

Which function is used to escape special characters in a regular expression pattern?

re. escape()

re. special()

re. char()

re. esc()

Question 9

Which function is used to find all non-overlapping matches of a regular expression in a string?

re.match()

re.find()

re.findall()

re.searchall()

Question 10

What is the purpose of the re.search() function in python?

It searches for a substring in a given string.

It searches for a regular expression pattern in a given string and returns the first match.

It counts the number of occurrences of a character in a string.

It extracts all substrings in a given string.

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