Python RegEx Functions - findall, search, split and sub

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:

It returns a list of all matches.

Code:

import re

text = "rain in jodhpur"

x = re.findall("ai", text)

print(x)

Output:

It returns a list containing all matches.

Code:

import re

text = " rain in jodhpur"

x = re.search("\s", text)

print( x.start())

Output:

It returns a list with the string split at each match. 

Code:

import re

text = "rain in jodhpur"

x = re.split("\s", text)

print(x)

Output:

This function replaces a string with one or more matches.

Code:

import re

text = "rain in jodhpur"

x = re.sub("\s", "9", text)

print(x)

Output: