1. Remove Specific Characters From the StringUsing ‘str.replace’Using Show
s="Hello$ Python3$" If we want to remove one occurrence of that character mentioned, mention the count:
s="Hello$ Python3$" Using ‘re.sub()’
If we want to remove specific characters, the replacement string is mentioned as an empty string. s="Hello$@& Python3$"
2. Remove All Characters Except Alphabets From a StringUsing ‘isalpha()’
It’ll iterate through the string and check whether each character in the string is an alphabet or not and return it if it’s an alphabet. Example s="Hello$@ Python3&"
Result → It’s a generator expression. It returns a generator object containing all alphabets from the string.
Using ‘filter()’s="Hello$@ Python3&"
The
Using ‘re.sub()’s="Hello$@ Python3$"
3. Remove All Characters Except the Alphabets and the Numbers From a StringUsing ‘isalnum()’
It’ll iterate through the string and check whether each character in the string is alphanumeric or not and return it if it’s an alphabet/number. s="Hello$@ Python3&" Using ‘re.sub()’s="Hello$@ Python3&_"
4. Remove All Numbers From a String Using a Regular ExpressionUsing ‘re.sub()’s="Hello347 Python3$"
5. Remove All Characters From the String Except NumbersUsing ‘isdecimal()’
Example s="1-2$3%4 5a"
It iterates through the string and checks whether each character in the string is a number or not and returns it if it’s a number.
Using ‘re.sub()’s="1-2$3%4 5a"
Using ‘filter()’s="1-2$3%4 5a"
The
Refer to my story for Note: Python strings are immutable, so all of the about mentioned methods will remove characters from the string and return a new string. It won’t modify the original string. My other blogs related to string methodsHow do I remove a character from a string in Python?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.
Can you delete characters from a string?You can remove a character or multiple characters from a string using replace() or translate(). Both the replace() and translate() methods return the same outcome: a string without the characters you have specified. For beginners, the replace() method is easier to use.
How do I remove a specific index from a string in Python?The str. replace() can possibly be used for performing the task of removal as we can replace the particular index with empty char, and hence solve the issue.
How do you omit a character from a string?How to remove a particular character from a string ?. public class RemoveChar {. public static void main(String[] args) {. String str = "India is my country";. System.out.println(charRemoveAt(str, 7));. public static String charRemoveAt(String str, int p) {. return str.substring(0, p) + str.substring(p + 1);. |