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SRE: (?flag:...) is not supported #34625

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effbot mannequin opened this issue Jun 14, 2001 · 8 comments
Closed

SRE: (?flag:...) is not supported #34625

effbot mannequin opened this issue Jun 14, 2001 · 8 comments
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expert-regex type-feature A feature request or enhancement

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@effbot
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Mannequin

effbot mannequin commented Jun 14, 2001

BPO 433028
Nosy @ezio-melotti, @serhiy-storchaka
Dependencies
  • bpo-22364: Improve some re error messages using regex for hints
  • Files
  • re_scoped_flags.diff
  • re_scoped_flags_2.patch
  • re_scoped_flags_3.patch
  • 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 2016-09-11.08:06:42.309>
    created_at = <Date 2001-06-14.08:28:31.000>
    labels = ['expert-regex', 'type-feature']
    title = 'SRE: (?flag:...) is not supported'
    updated_at = <Date 2016-09-11.08:06:42.308>
    user = 'https://bugs.python.org/effbot'

    bugs.python.org fields:

    activity = <Date 2016-09-11.08:06:42.308>
    actor = 'serhiy.storchaka'
    assignee = 'serhiy.storchaka'
    closed = True
    closed_date = <Date 2016-09-11.08:06:42.309>
    closer = 'serhiy.storchaka'
    components = ['Regular Expressions']
    creation = <Date 2001-06-14.08:28:31.000>
    creator = 'effbot'
    dependencies = ['22364']
    files = ['38296', '38693', '44439']
    hgrepos = []
    issue_num = 433028
    keywords = ['patch']
    message_count = 8.0
    messages = ['53162', '73687', '230849', '237026', '239281', '274817', '275467', '275742']
    nosy_count = 6.0
    nosy_names = ['effbot', 'timehorse', 'ezio.melotti', 'mrabarnett', 'python-dev', 'serhiy.storchaka']
    pr_nums = []
    priority = 'normal'
    resolution = 'fixed'
    stage = 'resolved'
    status = 'closed'
    superseder = None
    type = 'enhancement'
    url = 'https://bugs.python.org/issue433028'
    versions = ['Python 3.6']

    @effbot
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    effbot mannequin commented Jun 14, 2001

    from the jeffrey friedl report:

    (?flag:...) and (?-flag:...) are not supported.
    They'd be nice.

    @effbot effbot mannequin self-assigned this Jun 14, 2001
    @effbot effbot mannequin added expert-regex type-feature A feature request or enhancement labels Jun 14, 2001
    @mrabarnett
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    mrabarnett mannequin commented Sep 24, 2008

    Implemented in bpo-3825.

    @serhiy-storchaka
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    serhiy-storchaka commented Nov 8, 2014

    I agree that they'd be nice. The regex module is too advanced and need much work and some transitional period for including in the stdlib, but this feature can be implemented right now.

    @serhiy-storchaka
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    serhiy-storchaka commented Mar 2, 2015

    Here is preliminary patch.

    @serhiy-storchaka
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    serhiy-storchaka commented Mar 25, 2015

    Updated to the tip.

    Could anyone please help with documentation?

    @serhiy-storchaka
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    serhiy-storchaka commented Sep 7, 2016

    Fixed generating info for fast search for groups with local flags and added some documentation (would appreciate for improving it).

    @python-dev
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    python-dev mannequin commented Sep 9, 2016

    New changeset ce5a834978ac by Serhiy Storchaka in branch 'default':
    Issue bpo-433028: Added support of modifier spans in regular expressions.
    https://hg.python.org/cpython/rev/ce5a834978ac

    @serhiy-storchaka
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    serhiy-storchaka commented Sep 11, 2016

    There was one bug (bpo-28070), it is now fixed.

    @ezio-melotti ezio-melotti transferred this issue from another repository Apr 9, 2022
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