How to remove all non-numeric characters (except operators) from a string in Python? Question: I would like to remove all non-numeric characters from a string, except operators such as +,-,*,/, and then later evaluate it. For example, suppose the input is ‘What is 2+2?’ The result should be ‘2+2’ – keeping only the operator symbols …
Python: strip pair-wise column names Question: I have a DataFrame with columns that look like this: df=pd.DataFrame(columns=[‘(NYSE_close, close)’,'(NYSE_close, open)’,'(NYSE_close, volume)’, ‘(NASDAQ_close, close)’,'(NASDAQ_close, open)’,'(NASDAQ_close, volume)’]) df: (NYSE_close, close) (NYSE_close, open) (NYSE_close, volume) (NASDAQ_close, close) (NASDAQ_close, open) (NASDAQ_close, volume) I want to remove everything after the underscore and append whatever comes after the comma to get the …
Strip method does not work on lines from a file Question: I have a csv file transposed and when opened in notepad, it looks like below phone_number,1234,,, door_number,abcd,,, name,abcd,efgh,ijkl,mnop below is my code: with open("test.csv") as f: for line in f: (line.strip(‘,’)) print(line) However, it does not strip last commas from the csv. Asked By: …
How can I whitelist characters from a string in python 3? Question: My question is quite simple, I am trying to strip any character that is not A-Z, or 0-9 from a string. Basically this is the process I am trying to do: whitelist=[‘a’,…’z’, ‘0’,…’9′] name = ‘_abcd!?123′ name.strip(whitelist) print(name) >>> abcd123 What’s important to …
How to remove characters from string? Question: How to remove user defined letters from a user defined sentence in Python? Hi, if anyone is willing to take the time to try and help me out with some python code. I am currently doing a software engineering bootcamp which the current requirement is that I create …
Python: Removing backslash in string? Question: I have following text output as a str(): "We’ve … here’s why … That’s how … it’s" As you see, there’s always a "" before the apostrophe. Then, I tried following: text = text.replace("", "") SyntaxError: EOL while scanning string literal Same happened with text.replace("\", "") or text.strip(""). What …
Python – Delete a part of each line of a textfile Question: I have a text file like this: abc123bvjhfvb:dlnvsl|smth fsbffsb378hbdcbs:v5v3v|smth sdcg87wgn8:vy5b4|smth sin87s88vnus:y54545v4v|smth rc8n782c:efghrn|smth As you can see there is a space starting from the second line. How can I convert these lines to these? abc123bvjhfvb:dlnvsl fsbffsb378hbdcbs:v5v3v sdcg87wgn8:vy5b4 sin87s88vnus:y54545v4v rc8n782c:efghrn I tried something like this: …
Strip the first (top level) tag in Beautifulsoup Question: I create a soup: from bs4 import BeautifulSoup soup = BeautifulSoup("<div><p>My paragraph <a>My link</a></p></div>", "html.parser") I want to strip the first top-level tag to reveal its contents, regardless of the tag: <p>My paragraph<a>My link</a></p> with all the children. So I don’t want to find and replace …
Strange Python strip() behavior Question: I don’t understand why the strip() function returns the way it does below. I want to strip() the last occurence of Axyx. I got around it by using rstrip(‘Axyx’) but what’s the explanation for the following? >>>”Abcd Efgh Axyx”.strip(‘Axyx’) ‘bcd Efgh ‘ Asked By: user2399453 || Source Answers: The string …
How to strip a specific word from a string? Question: I need to strip a specific word from a string. But I find python strip method seems can’t recognize an ordered word. The just strip off any characters passed to the parameter. For example: >>> papa = “papa is a good man” >>> app = …
