All you need to achieve multiple simultaneous string replacements is the following function: import re def multiple_replace(string, rep_dict): pattern = re.compile("|".join([re.escape(k) for k in sorted(rep_dict,key=len,reverse=True)]), flags=re.DOTALL) return pattern.sub(lambda x: rep_dict[x.group(0)], string) Usage:

Jan 8, 2025 · Removing multiple characters from a string in Python can be achieved using various methods, such as str.replace(), regular expressions, or list comprehensions. Each method serves a specific use case, and the choice depends on your requirements.

Mar 19, 2019 · With an input string of abc&def#ghi and replacing & -> \& and # -> \#, the fastest way was to chain together the replacements like this: text.replace('&', '\&').replace('#', '\#'). Timings for each function:

Jul 29, 2010 · If I would like to carry out multiple string replacements, what is the most efficient way to carry this out? An example of the kind of situation I have encountered in my travels is as follows: >>> strings = ['a', 'list', 'of', 'strings'] >>> [s.replace('a', '')...replace('u', '') for s in strings if len(s) > 2] ['a', 'lst', 'of', 'strngs']

Oct 10, 2022 · Learn how to replace multiple characters in string in python. This includes replace() with Lists, Dictionaries, re module and translate() & maketrans().

Feb 26, 2021 · In this article we learn to replace multiple sub-strings in a string using regex module, replace() and translate(), maketrans() with examples.

Aug 15, 2023 · In Python, you can replace strings using the replace() and translate() methods, or the regular expression functions, re.sub() and re.subn(). You can also replace substrings at specified positions using slicing. You can also remove …

Apr 12, 2025 · To replace multiple characters in a string is a common task in Python. Here are a few clean and efficient ways to do it. 1. Using str.translate() with str.maketrans() Solution that works without looping or regex is translate: text = "hello world! hello winners!!" replacements = str.maketrans("hw!", "HW?") result: Hello World? Hello Winners??

Dec 5, 2024 · When faced with the need to replace multiple substrings within a single string in Python, you might wonder about the best approach to do so. While you could chain the use of the .replace() function, this might not yield the best readability or efficiency. Let’s dive into various effective methods to accomplish this task in Python.

Dec 31, 2011 · When you need to swap variables, say x and y, a common pattern is to introduce a temporary variable t to help with the swap: t = x; x = y; y = t. The same pattern can also be used with strings: This technique isn't new.