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https://issues.apache.org/jira/browse/ARROW-2224?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16433952#comment-16433952
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ASF GitHub Bot commented on ARROW-2224:
---------------------------------------
cpcloud commented on issue #1880: ARROW-2224: [C++] Remove boost-regex
dependency
URL: https://github.com/apache/arrow/pull/1880#issuecomment-380464015
> It's not like isdigit is more readable anyway
Readability wasn't my original concern, reimplementing a builtin function
was.
> and apparently it risks being locale-dependent on Windows (which is a can
of worms).
Is there some documentation on this somewhere? I found the following lines
in the [`setlocale` documentation for Visual Studio
2015](https://msdn.microsoft.com/en-us/library/x99tb11d.aspx):
> LC_CTYPE
The character-handling functions (except isdigit, isxdigit, mbstowcs, and
mbtowc, which are unaffected).
That suggests `isdigit` is *not* affected by locale. Am I reading something
wrong?
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> [C++] Replace boost regex usage with libre2
> -------------------------------------------
>
> Key: ARROW-2224
> URL: https://issues.apache.org/jira/browse/ARROW-2224
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Phillip Cloud
> Assignee: Phillip Cloud
> Priority: Major
> Labels: pull-request-available
>
> We're using {{boost::regex}} to parse decimal strings for {{decimal128}}
> types. We should use {{libre2}} instead.
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