text preprocessing remove punctuation python code example

Example 1: remove punctuation from string python

#with re
import re
s = "string. With. Punctuation?"
s = re.sub(r'[^\w\s]','',s)
#without re
s = "string. With. Punctuation?"
s.translate(str.maketrans('', '', string.punctuation))

Example 2: remove punctuations using python

# define punctuation
punctuations = '''!()-[]{};:'"\,<>./?@#$%^&*_~'''

my_str = "Hello!!!, he said ---and went."

# To take input from the user
# my_str = input("Enter a string: ")

# remove punctuation from the string
no_punct = ""
for char in my_str:
   if char not in punctuations:
       no_punct = no_punct + char

# display the unpunctuated string
print(no_punct)