Alex Grigoryev <evr...@gmail.com> added the comment: https://docs.python.org/2/library/string.html#string.lstrip (https://link.getmailspring.com/link/4c83e422-2f29-440a-8ce3-0ae8b13f5...@getmailspring.com/0?redirect=https%3A%2F%2Fdocs.python.org%2F2%2Flibrary%2Fstring.html%23string.lstrip&recipient=cmVwb3J0QGJ1Z3MucHl0aG9uLm9yZw%3D%3D) Here should be clarified better. Yes I think API for explicit behavior should be discussed, because the other way is this In [1]: "ma...@gmail.com".split("mailto:";)[-1] Out[1]: 'ma...@gmail.com' In [2]: "maria@gmail.commailto:".split("mailto:";)[-1] Out[2]: '' On март 23 2019, at 10:39 вечера, Karthikeyan Singaravelan <rep...@bugs.python.org> wrote: > > Karthikeyan Singaravelan <tir.kar...@gmail.com> added the comment: > https://docs.python.org/3.8/library/stdtypes.html?highlight=lstrip#str.lstrip > > Return a copy of the string with leading characters removed. The chars > > argument is a string specifying the set of characters to be removed. If > > omitted or None, the chars argument defaults to removing whitespace. The > > chars argument is not a prefix; rather, all combinations of its values are > > stripped: > The last sentence talks about the report. In the given examples it strips all > the given characters in chars from left until it finds a character that is > not found as part of the given chars argument. > In [2]: 'mailto:ma...@gmail.com'.lstrip('mailto:') # Stops at 'r' that > doesn't need to be stripped > Out[2]: 'r...@gmail.com' > > In [3]: 'mailto:ma...@gmail.com'.lstrip('ailto:') # 'm' is the first > character and is not found in chars 'ailto:' > Out[3]: 'mailto:ma...@gmail.com' > > Changing this would break a lot of old code and adding an API for two > different behaviors would require a larger discussion. Perhaps did you find > any part of docs that you would like to improve to clarify this better? > ---------- > nosy: +xtreak > versions: -Python 3.5, Python 3.6, Python 3.9 > > _______________________________________ > Python tracker <rep...@bugs.python.org> > <https://bugs.python.org/issue36410> > _______________________________________ >
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