10000 bpo-32308: Replace empty matches adjacent to a previous non-empty match in re.sub(). by serhiy-storchaka · Pull Request #4846 · python/cpython · GitHub
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bpo-32308: Replace empty matches adjacent to a previous non-empty match in re.sub(). #4846

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Jan 4, 2018
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bpo-32308: Replace empty matches adjacent to a previous non-empty match in re.sub(). #4846

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bpo-32308: Replace empty matches adjacent to a previous non-empty mat…
serhiy-storchaka Dec 13, 2017
da9fdc2
Fix docs markup.
serhiy-storchaka Dec 14, 2017
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Fix docs markup.
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serhiy-storchaka committed Dec 14, 2017
commit da9fdc250404eda5b0e5d07cce9517a7e830236a
6 changes: 3 additions & 3 deletions Doc/whatsnew/3.7.rst
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Expand Up @@ -856,9 +856,9 @@ Changes in the Python API

:func:`re.sub()` now replaces empty matches adjacent to a previous
non-empty match. For example ``re.sub('x*', '-', 'abxd')`` returns now
``'-a-b--d-'`` instead of ``'-a-b--d-'`` (the first minus between `b` and
`d` replaces the `x`, and the second minus replaces 0 `x`' between
`x` and `d`).
``'-a-b--d-'`` instead of ``'-a-b--d-'`` (the first minus between 'b' and
'd' replaces 'x', and the second minus replaces an empty string between
'x' and 'd').

(Contributed by Serhiy Storchaka in :issue:`25054` and :issue:`32308`.)

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