Question

How to remove all special characters from a string in Python

Answer 1

s = '!Beam- me& ~up, Scotty;.'

s = ''.join(ch for ch in s if ch.isalnum())

print(s)


 
    
 
'''
run:
 
BeammeupScotty

'''

 

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Answer 2

s = '!Beam- me& ~up, Scotty;.'

s = ''.join(filter(str.isalnum, s)) 

print(s)


 
    
 
'''
run:
 
BeammeupScotty

'''

 

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Answer 3

import re

s = '!Beam- me& ~up, Scotty;.'

s = re.sub(r"[^a-zA-Z0-9]", "", s)

print(s)


    
 
'''
run:
 
BeammeupScotty

'''

 

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