On Tue, May 19, 2020 at 2:58 PM computermaster360 . < computermaster...@gmail.com> wrote:
> I often find myself in a need of stripping only a specified amount of > characters from a string (most commonly a single character). I have been > implementing this in an ad-hoc manner, which is quite inelegant: > > def rstrip1(txt, chars): > if txt is None: > return None > elif any(txt.endswith(c) for c in chars): > return txt[:-1] > else: > return txt > If you want to remove at most one instance of one specific character, then I believe in Python 3.9 you will be able to write `txt.removesuffix(char)` - see https://www.python.org/dev/peps/pep-0616/. For removing one of several possible characters, the potential API for that has currently been rejected: https://www.python.org/dev/peps/pep-0616/#accepting-a-tuple-of-affixes
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