Removing a string in Python without removing repeating characters
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I am printing a folder name to a text file containing data, and want to remove the external folders from the string. For example, it is printing
C:\A3200\201808101040, but I want to print
201808101040. When I use
str(os.getcwd().strip('C:\\A3200\\')) to remove the external folders from being printed, the program returns
180810104, which is weird because some of the zeros are removed but some aren't, etc. (it removed the beginning
20 and the ending
I know that this could be done by getting the folder name a different way than
os.getcwd(), but I am interested in this method of string manipulation for the future.
How do I remove a certain string of characters within a full string without affecting the characters that are repeated later in the full string?
That may work, but I would like to know for future reference how to just do it string-wise, in case I need to remove something else like "pear" from "pear tree", etc. where the "e" is in both words
You could do
'pear tree'.replace('pear', '', 1).strip()
Remove all duplicates from a given string in Python, We are given a string and we need to remove all duplicates from it ? What will be the output if order of character matters ? and has no duplicate elements. Python string translate() function replace each character in a string using the given translation table. We have to specify a Unicode code point for a character and ‘None’ as the replacement to remove it froma result string. We can use the ord() function to get the Unicode code point of the character.
Strip takes a set of characters and removes from both sides until it encounters a character not in the set. This is why it eats your 2 and 0 but not the 1. You will probably have better luck with
How to remove duplicate characters from String in Java? [Solved , How do I remove spaces from a string in Python? How can I remove duplicate characters from a string using Python? For example, let's say I have a string: How can I make the string: I'm new to python and What I have tired and it's working. I knew there is smart and best way to do this.. and only experience can show this.. NOTE: Order is important and this question is not similar to this one.
The answer to this specific question is employing
In regards to your more broad question: "How do I remove a certain string of characters within a full string without affecting the characters that are repeated later in the full string?"
I would consider using a regular expression (regex). This allows you to specify positive and negative look-aheads / look-behinds, and many other useful tricks. In your case here, I would consider searching the string instead of actually replacing any characters in the string. Here is a regex example for your question:
import re s = r'C:\A3200\201808101040' matches = re.findall(r'[0-9]+', s) print(matches)
Obviously, in this case, you are interested in the final match returned in
matches, therefore you can access this via
matches[-1], which gives
Python Remove Spaces from String, Python Exercises, Practice and Solution: Write a Python program to remove duplicate characters of a given string. 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.
a=r"C:\A3200\201808101040" # make sure you read it raw a[a.rindex("\\")+1:] #'201808101040'
In case you just need 'C:\A3200' and '201808101040' seperated
a=r"C:\A3200\201808101040" a.rsplit("\\",1) #'201808101040' a.rsplit("\\",1) #'C:\A3200'
Python: Remove duplicate characters of a given string, A quick one in Python - [code] def removeDuplicates(string): uniqs = '' for x in string: if Originally Answered: How do I remove duplicate characters in a string? I am trying to find the position of a substring within a string without using any The string class has a method replace that can be used to replace substrings in a string. We can use this method to replace characters we want to remove with an empty string. For example: >>> "Hello people".replace("e", "") "Hllo popl" If you want to remove multiple characters from a string in a single line, it's better to use regular expressions.
How to remove duplicates from a string (in-place), To remove all duplicates from a string in python, we need to first split the string by spaces so that we have each word in an array. Remove duplicates from a given string; Remove three consecutive duplicates from string; Remove all consecutive duplicates from the string; Remove duplicates from a string in O(1) extra space; Remove duplicates from string keeping the order according to last occurrences; Python Remove Duplicates from a List; Python | Remove duplicates in Matrix
Remove all duplicates from a given string in Python, java python python python by durgasoft python videos by durgasoft Program to remove Duration: 12:20 Posted: Apr 12, 2019 The above problem can be solved using recursion. If the string is empty, return. Else compare the adjacent characters of the string. If they are same then shift the characters one by one to the left. Call recursion on string S. If they not same then call recursion from S+1 string.
Python || Q14. Program to remove duplicate characters from the , Remove duplicate characters in a given string keeping only the first can even do without O(N) additional storage as is done here in Python. But if you want to remove the specific character from the starting and end of the string then you have to set the character as argument value for the method. It returns the main string value after removing the particular characters from the string. Different uses of the strip method in python are shown in the following example.
- That may work, but I would like to know for future reference how to just do it string-wise, in case I need to remove something else like "pear" from "pear tree", etc. where the "e" is in both words
- my-string.replace('pear', '') will take "pear" out of pear tree
- Can this question please be clarified? I feel like multiple questions are being posed in the comments of various answers. What are you trying to acheive? You can cross the 'pear tree' bridge when you need to remove the word 'pear' from the phrase 'pear tree'
- I think there is one question being asked: How do I remove a certain string of characters within a full string without affecting the characters that are repeated later in the full string? There may be different ways of doing it for the file directory example, I want to do it in the exact same method as I would for the pear tree example
- Is OP concerned about 3200? If so shouldn't it be A3200 after all it is a part of the path