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

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Serhiy Storchaka 2018-01-04 11:06:13 +02:00 • committed by GitHub
parent 0cc99c8cd7
commit fbb490fd2f
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6 changed files with 35 additions and 25 deletions
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Modules/_sre.c
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@ -955,7 +955,7 @@ _sre_SRE_Pattern_split_impl(PatternObject *self, PyObject *string,
}
n = n + 1;
state.must_advance = 1;
state.must_advance = (state.ptr == state.start);
last = state.start = state.ptr;
}
@ -1109,7 +1109,7 @@ pattern_subx(PatternObject* self, PyObject* ptemplate, PyObject* string,
i = e;
n = n + 1;
state.must_advance = 1;
state.must_advance = (state.ptr == state.start);
state.start = state.ptr;
}