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https://issues.apache.org/jira/browse/ARROW-12952?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Li resolved ARROW-12952.
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Fix Version/s: 5.0.0
Resolution: Fixed
Issue resolved by pull request 10471
[https://github.com/apache/arrow/pull/10471]
> [C++] Add regex count kernel
> ----------------------------
>
> Key: ARROW-12952
> URL: https://issues.apache.org/jira/browse/ARROW-12952
> Project: Apache Arrow
> Issue Type: New Feature
> Components: C++
> Reporter: Ian Cook
> Assignee: David Li
> Priority: Major
> Labels: pull-request-available
> Fix For: 5.0.0
>
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
> Returns the number of times the regular expression pattern occurs in the
> string, like {{len(re.findall(...))}} in Python and {{regexp_count()}} in
> some SQL dialects
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