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Python Remove Character from String

Published on August 3, 2022
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By Pankaj
Developer and author at DigitalOcean.
Python Remove Character from String

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Sometimes we want to remove all occurrences of a character from a string. There are two common ways to achieve this.

Python Remove Character from String

  1. Using string replace() function
  2. Using string translate() function

Python Remove Character from String using replace()

We can use string replace() function to replace a character with a new character. If we provide an empty string as the second argument, then the character will get removed from the string. Note that the string is immutable in Python, so this function will return a new string and the original string will remain unchanged.

s = 'abc12321cba'

print(s.replace('a', ''))

Output: bc12321cb

Python Remove Character from String using translate()

Python string translate() function replace each character in the string using the given translation table. We have to specify the Unicode code point for the character and ‘None’ as a replacement to remove it from the result string. We can use ord() function to get the Unicode code point of a character.

s = 'abc12321cba'

print(s.translate({ord('a'): None}))

Output: bc12321cb If you want to replace multiple characters, that can be done easily using an iterator. Let’s see how to remove characters ‘a’, ‘b’ and ‘c’ from a string.

s = 'abc12321cba'

print(s.translate({ord(i): None for i in 'abc'}))

Output: 12321

Removing Spaces from a String

s = ' 1 2 3 4 '
print(s.replace(' ', ''))  # 1234
print(s.translate({ord(i): None for i in ' '}))  # 1234

Python Remove newline from String

s = 'ab\ncd\nef'
print(s.replace('\n', ''))
print(s.translate({ord('\n'): None}))

Remove substring from string

String replace() function arguments is string. Let’s see how to remove a word from a string.

s = 'ab12abc34ba'
print(s.replace('ab', ''))

Output: 12c34ba

Remove specified number of times

We can also pass a third parameter in replace() function to specify the number of times replacement should be performed.

s = 'abababab'
print(s.replace('a', 'A', 2))

Output: AbAbabab

You can checkout complete python script and more Python examples from our GitHub Repository.


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Pankaj

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Developer and author at DigitalOcean.

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s=[‘#’,‘Mini Skirt’,‘Skirt’,‘Chiffon Top’,‘T-Shirt’,‘Classic’,‘Classical’,‘Essential’,‘Short-Sleeve’,‘shirt’,‘Top’,‘Premium’,‘leggings’,‘Classic’,‘Pullover’,‘Sweatshirt’,‘Hoodie’,‘Zipped’] finale =[] for i in range(0,len(TrendingApparelTexts2)):# length of your sentence string list processing = TrendingApparelTexts2[i] #storing each sentence to be compaired for j in range(0,len(s)): # iterating through the dictionary of words I don’t want in my sentences Delete = s[j] if Delete in processing: processing = processing.replace(Delete,‘’) finale.append(processing) print(finale)

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    - Ranjith

      # try this s=input(“Enter a string:\n”) delete=input(“enter string to delete\n”) position=s.find(delete) length_s=len(s) length_word=len(delete) s1=s[:position] s2=s[position+length_word+1::] s3=s1+s2 print(s3)

      - Meena Vyas

        How would I delete all characters bar the first character, without specifying the character: For example, I have a bunch of items: banana apple orange mango passion fruit guava Say I wanted the user to guess the word only given the first letter of each word (each WORD not each item, eg for passion fruit, the user is given 'p f ’ not just 'p ', how would I do that?

        - …

          Hi Pankaj. I have a problem in removing character from string. Actually, I don’t know why the following program is unable to remove character from second string. could you please help me? # Type your code here def anagrams(my_string1, my_string2): a=my_string1.lower() b=my_string2.lower() out_put=True if len(my_string1)!=len(my_string2): out_put= False else: for i in a: if i in b: a=a.strip(i) b=b.strip(i) out_put = True else: out_put=False return out_put print(anagrams(“Orchestaa”,“Carthorse”))

          - zara

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            - Daniel H O’Hearn

              How to remove backslash from a string?

              - sundara rajan

                I need to make a program that takes a sentence and outputs it without spaces. Can you help me?

                - lallan

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                    s=input(); n=int(input()); fs=fs.replace( …); print(fs)

                    - boopathi