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zero-length match confuses re.finditer() #44519

@jfrechet

Description

@jfrechet
mannequin
BPO 1647489
Nosy @ezio-melotti, @serhiy-storchaka
PRs
  • bpo-25054, bpo-1647489: Added support of splitting on zerowidth patterns. #4471
  • bpo-25054, bpo-1647489: Added support of splitting on zerowidth patterns (alternate version). #4678
  • Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.

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    GitHub fields:

    assignee = 'https://github.com/serhiy-storchaka'
    closed_at = <Date 2018-03-14.17:17:12.339>
    created_at = <Date 2007-01-29.22:35:21.000>
    labels = ['expert-regex', 'type-bug', 'library', '3.7']
    title = 'zero-length match confuses re.finditer()'
    updated_at = <Date 2018-03-14.17:17:12.338>
    user = 'https://bugs.python.org/jfrechet'

    bugs.python.org fields:

    activity = <Date 2018-03-14.17:17:12.338>
    actor = 'serhiy.storchaka'
    assignee = 'serhiy.storchaka'
    closed = True
    closed_date = <Date 2018-03-14.17:17:12.339>
    closer = 'serhiy.storchaka'
    components = ['Library (Lib)', 'Regular Expressions']
    creation = <Date 2007-01-29.22:35:21.000>
    creator = 'jfrechet'
    dependencies = []
    files = []
    hgrepos = []
    issue_num = 1647489
    keywords = ['patch']
    message_count = 15.0
    messages = ['31129', '73719', '73737', '73741', '73742', '73746', '73755', '73765', '73789', '73792', '73809', '132827', '187318', '221979', '307556']
    nosy_count = 10.0
    nosy_names = ['niemeyer', 'jfrechet', 'rsc', 'timehorse', 'ezio.melotti', 'mrabarnett', 'THRlWiTi', 'denversc', 'serhiy.storchaka', 'isoschiz']
    pr_nums = ['4471', '4678']
    priority = 'normal'
    resolution = 'fixed'
    stage = 'resolved'
    status = 'closed'
    superseder = None
    type = 'behavior'
    url = 'https://bugs.python.org/issue1647489'
    versions = ['Python 2.7', 'Python 3.6', 'Python 3.7']

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    3.7 (EOL)end of lifestdlibStandard Library Python modules in the Lib/ directorytopic-regextype-bugAn unexpected behavior, bug, or error

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