Python Substring | Find Substring In Python

Hey Learner, In this article we will learn about python substring and how substring in python work. In python programming the substring is the part of a given string.

Python substring ( substring in python )

How To Get Python Substring From The Given String

In python programming the substring can get by using, string method. To get string, there are many ways

Syntax to get substring in python  :  string[ start : End : Step]
  • Start:- In python substring, Start argument represents the starting index of the substring. If the start is not defined, so by default it is 0. Which means the substring starting from the starting of the given string.
  • End: – In python substring, End argument represents a terminating index of the substring. If the end argument is not included, so by default it is equal to -1. which means the index of the substring is the last index of the given string.
  • Step: – In python substring, Step argument represents as skipping the character of the string. It is an optional argument, if not provided, so by default it is equal to 1.

Substring can be produce by many possible ways:

  • string[ : ]
  • string[ start : ]
  • string[ start : End ]
  • string[ : End ]
  • string[ start : End : Step ]

Example of python substring (string[ : ])

substring from starting index to last

Code

#take a string
string = 'Technoelearn is a new site'

#produce substring from staring to last
string[ : ]
Output : Technoelearn is a new site

Example of python substring (string[ : ])

substring from starting index to last

Code

#take a string
string = 'Technoelearn is a new site'

#produce substring from staring to last
string[ : ]
Output : Technoelearn is a new site

Example of python substring (string[ Start : ])

find substring in python

Code

#take a string
string = 'Technoelearn'

#produce substring from staring to last
string[ 3 : ]
Output : hnoelearn

Example of python substring (string[ Start : End ])

Find Substring in python

Code

#take a string
string = 'Technoelearn'

#produce substring from staring to last
string[ 3 : 8 ]
Output : hnoel

Example of python substring (string[ : End ])

Find substring in python

Code

#take a string
string = 'Technoelearn'

#produce substring from staring to last
string[ : 8 ]
Output : Technoel

Example of python substring (string[ Start : End : Step ])

Find substring in python

Code

#take a string
string = 'Technoelearn'

#produce substring from staring to last
string[ 0 : 13 : 2]
Output : Tcneer

Find Substring In Python

Syntax to find substring in python : string.find(substring, start, end)
  • Substring: – To find substring in python, the Substring argument represents the part of the string which is to be searched in the given string.
  • Start: – To find substring in python, Start argument represents the starting index of the given string from where searching starts. It is an optional argument. If not provided, that means the searching substring from the starting of the given string.
  • End: – To find substring in python, End argument represents the terminating index where the searching of the substring stop searching. It is also an optional argument. If not provided, then by default it is equal to -1. Which means the last index of the given string.

Example : find substring without End and Start index in python

Python substring without start and end

Code

#take a string
string = 'Technoelearn'

#find substring in the given string
string.find('learn')
Output :  7

Example: find substring with start and end index in python

Python substring with start and end

Code

#take a string
string = 'Technoelearn'

#find substring in the given string
string.find('no', 2, 10)
Output : 4

Video Tutorial For Python Substring

FAQ For How To Find Substring In Python

How to find substring in python?

In python programming, Substring can find by using find() method. In find() method, three-argument can be taken. substring, starting_index, ending_index.
The Syntax of to find substring in python is string.find(substring, start, end)

How to get python substring?

In python programming, To produce substring from the given string. string method is used, In this, there are 3 arguments Starting_index, Ending_Index, Step.
The syntax to produce python substring is : string[ start : End : Step]

Learn More Python Programming Language

If you have any queries regarding Find substring in python, then ask on the comment section, I am happy to answer your question

4 thoughts on “Python Substring | Find Substring In Python”

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