[issue28937] str.split(): allow removing empty strings (when sep is not None)

[Mark Bell]

Mark Bell <mark00bell at googlemail.com> added the comment:

Thank you very much for confirming these test cases. Using these I believe that I have now been able to complete a patch that would implement this feature. The PR is available at https://github.com/python/cpython/pull/26222. As I am a first-time contributor, please could a maintainer approve running the CI workflows so that I can confirm that all the (new) tests pass.

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<https://bugs.python.org/issue28937>
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