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Python RE Introdction

Question 1

Which character is used to represent any character in a regular expression?

?

*

%

.

Question 2

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

Searches for a substring in a given string.

Searches for a regular expression pattern in a given string.

Searches for the first occurrence of a character in a string.

Searches for an exact match in a string.

Question 3

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

Returns the first match of a regular expression pattern in a string.

Returns all non-matching substrings in a string.

Returns all non-overlapping matches of a regular expression pattern in a string.

Returns a count of matching characters in a string.

Question 4

Which quantifier represents zero or more occurrences in regular expression pattern?

+

?

*

/

Question 5

Which python module is used for working with regular experessions?

regex

string

re

match

Question 6

Which of the following characters is used to escape special characters in a regular expression?

$

!

\

#

Question 7

What dose the ^ character represent in a regular expression pattern?

Start of a string.

End of a string.

Any character.

Zero or more occurrences.

Question 8

What does 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 list of regular expressions into a single pattern.

Question 9

Which flag is used to perform a case-insensitive search in regular expressions in python?

I

C

S

L

Question 10

What is a regular expression in python?

A python function for generating random number.

A text-based pattern for searching and matching strings.

A data structure for storing regular data.

A mathematical equation.

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