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How to extract substring from a string in python

Hi guys. How are you all? I hope you all fine. Today in this tutorial we will learn about How to extract substring from a string in python. By using some m4ethods we can extract substring from our string. Here i am giving you some methods which will be helpful to remove some substring from our string and we can get the string we want. So lets learn about of thuis without wasting your time. I hope you like it.

How to extract substring from a string in python

  1. extract substring from a string in python

    to extract substring from a string in python just Use regular expression. Here we are going to use regular expression to extract the substring from your string. so let's learn this method. Here we will import re first of all. Then we will make our string and will use the try and except statements. Here we will also use re.search functions and by using them we will extract our substring from our string. So let's learn about this by giving below examples. I hope you guys like it. import re string = "helloguyshowareyou" try: found = re.search('hello(.+?)you', string).group(1) print(found) except AttributeError: pass Output : guyshoware

  2. How to extract substring from a string in python

    to extract substring from a string in python just Use slice(). we can extract substrung from our string by using slice() method. Here we will use [] brackets. There is the format of [] is [start : stop : step] the first number is used for the start and the second one is used fot the end and the last one is used as a step. The first index of the string is a start element which is indexed by 0. And you can count the other elements on the basis if this starts element. The stop is reprent the last element of thge string and step is representing the value of incrementing each index.
    So here we can use the slice method to extract our substring from our string. So let's learn this method by giving the below example. Let's learn it. I hope this will help you.
    myString = "Hello guys how are you" print(myString[:]) print(myString[6 : ]) print(myString[ : 10]) print(myString[3 : 6]) print(myString[3 : -1]) Output :
    Hello guys how are you guys how are you Hello guys lo lo guys how are yo

Method 1: Use regular expression

Here we are going to use regular expression to extract the substring from your string. so let’s learn this method. Here we will import re first of all. Then we will make our string and will use the try and except statements. Here we will also use re.search functions and by using them we will extract our substring from our string. So let’s learn about this by giving below examples. I hope you guys like it.

import re
string = "helloguyshowareyou"
try:
    found = re.search('hello(.+?)you', string).group(1)
    print(found)
except AttributeError:
    pass

Output :

guyshoware

Method 2: Use slice()

we can extract substrung from our string by using slice() method. Here we will use [] brackets. There is the format of [] is [start : stop : step] the first number is used for the start and the second one is used fot the end and the last one is used as a step. The first index of the string is a start element which is indexed by 0. And you can count the other elements on the basis if this starts element. The stop is reprent the last element of thge string and step is representing the value of incrementing each index.

So here we can use the slice method to extract our substring from our string. So let’s learn this method by giving the below example. Let’s learn it. I hope this will help you.

myString = "Hello guys how are you"
print(myString[:]) 
print(myString[6 : ]) 
print(myString[ : 10]) 
print(myString[3 : 6]) 
print(myString[3 : -1]) 

Output :

Hello guys how are you
guys how are you
Hello guys
lo
lo guys how are yo

Conclusion

Hope all 6 Method Are Useful For You. Comment Below Which Method You Used To Convert String To Datetime In Python. Thank You.

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