A set is a group of characters having a specific meaning enclosed by a pair of square brackets []. The sets are iterable and mutable, with no presence of duplicate elements.  The purpose of using Python sets in place of lists is that these can check the availability of particular elements in the set in…

A special sequence in Python consists of a \ (backward slash) followed by one of the characters from the list below, each of which has a unique meaning:

Metacharacters are characters that have a secondary meaning. Here is a list of metacharacters in RegeX along with their description:

The re module provides a collection of methods for searching for a match in a string. Here is the list of RegEx functions in Python along with their description: findall It returns a list of all matches. Code: Output: [‘ai’, ‘ai’] search It returns a list containing all matches. Code: Output: 3 split It returns a list…

A RegEx, or Regular Expression, is a character sequence that defines a search pattern. RegEx can be used to determine whether or not a string contains the specified search pattern. RegEx Module in Python Regular Expressions can be worked with using a built-in Python library called re. Import the re module: import re Use of RegEx…