bpo-25054, bpo-1647489: Added support of splitting on zerowidth patterns (alternate version). #4678
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…rns. Fixed searching patterns that could match an empty string.
serhiy-storchaka
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type-bug
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Also fixed searching patterns that could match an empty string.
This will fix bpo-852532, bpo-1647489, bpo-3262, bpo-25054, and maybe others.
The difference with #4471 is that in
findall()andfinditer()empty matches are included in the result only when not adjacent to a previous match for consistency withsplit()andsub().https://bugs.python.org/issue25054