IronLanguages / IronLanguages/ironpython3

Support modifier spans in re

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module-re What's New In Python 3.6
Dominant language
C#
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Description

For example:

assert re.match('(?i)g(?-i:v)r', "GVR") is None

Modifier spans are used by the string module in 3.6.

See https://docs.python.org/3/whatsnew/3.6.html#re

Contributor guide

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First steps

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  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

The issue names no repository files or tests; start by locating IronPython's regular-expression implementation and its existing modifier handling, then compare behavior with the linked Python 3.6 What's New entry. Done means the shown re.match example and equivalent modifier-span cases behave as expected.

Written by the indexing model from the issue text.

Assessment

Tech stack
csharp, python
Domain
backend
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Clearly specified
Newbie friendliness
38/100

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