[Python-ideas] Easily remove characters from a string.

[David B]

I would use list comprehension even if there were some other way to
translate as it is straight forward.

On 10/22/16, Simon Mark Holland <simonmarkholland at gmail.com> wrote:
> Having researched this as heavily as I am capable with limited experience,
> I would like to suggest a Python 3 equivalent to string.translate() that
> doesn't require a table as input.  Maybe in the form of str.stripall() or
> str.replaceall().
>
> My reasoning is that while it is currently possible to easily strip()
> preceding and trailing characters, and even replace() individual characters
> from a string, to replace more than one characters from anywhere within the
> string requires (i believe) at its simplest a command like this :
>
> some_string.translate(str.maketrans('','','0123456789'))
>
> In Python 2.* however we could say ...
>
> some_string.translate(None, '0123456789')
>
> My proposal is that if strip() and replace() are important enough to
> receive modules, then the arguably more common operation (in terms of
> programming tutorials, if not mainstream development) of just removing all
> instances of specified numbers, punctuation, or even letters etc from a
> list of characters should also.
>
> I wholeheartedly admit that there are MANY other ways to do this (including
> RegEx and List Comprehensions), as listed in the StackOverflow answer
> below.   However the same could be said for replace() and strip().
> http://stackoverflow.com/questions/22187233/how-to-delete-all-instances-of-a-character-in-a-string-in-python
>
> This is my first suggestion and welcome any and all feedback, even if this
> is a silly idea I would really like to know why it is.  I have not seen
> discussion of this before, but if there is such a discussion I would
> welcome being directed to it.
>
> Thank you for your time.
> Simon
>


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