Apr 19, 2025 · In this article, we’ll learn how to clean a string by removing everything except letters (A–Z, a–z) and numbers (0–9). This means getting rid of: Special characters (@, #, !, …

Sep 20, 2009 · In Python 3, or for Unicode, you need to pass .translate a mapping (with ordinals, not characters directly, as keys) that returns None for what you want to delete. Here's a …

Mar 4, 2024 · In Python, the re library offers functions like re.sub() that allow us to replace non-alphanumeric characters with an empty string, effectively removing them. Here’s an example:

Sep 20, 2021 · Learn how to remove all characters except letters and numbers from a string in Python using various methods and techniques.

Using string methods, filter and regexes, here are five different ways to remove specific characters from a string in Python. Removing characters from a string in Python can be done …

Jan 29, 2025 · The replace() method is a simple and straightforward way to remove characters from a string. It replaces all occurrences of a specified substring with another substring. To …

Oct 25, 2021 · If we just want to remove some characters, then we simply replace them with an empty string. * str.replace () * will apply the replacement to all matches found. If we can …

May 30, 2016 · If you want to take the use translate approach, I'd recommend some changes for Python 3: import string unicode_non_digits = dict.fromkeys( [x for x in range(65536) if chr(x) …

Feb 18, 2023 · Given a List that contains only string elements, the following program shows methods of how every other alphabet can be removed from elements except for a specific one …

Sep 17, 2017 · If you are using Python 2, you can use filter like this: In [60]: value = "123456" In [61]: whitelist = set("25") In [62]: filter(lambda x: x in whitelist, value) Out[62]: '25' If you are …