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https://issues.apache.org/jira/browse/ARROW-555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17113513#comment-17113513
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Wes McKinney commented on ARROW-555:
------------------------------------

I just made a PR for the new kernels framework that I was talking about

https://github.com/apache/arrow/pull/7240

There's a little bit of work still to provide the machinery to generate string 
kernels from scalar-valued prototypes, but I was thinking I would do that 
sometime in the next few days and provide an example string kernel for you to 
use as a template for adding more kernels. Does that sound good? 

> [C++] String algorithm library for StringArray/BinaryArray
> ----------------------------------------------------------
>
>                 Key: ARROW-555
>                 URL: https://issues.apache.org/jira/browse/ARROW-555
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: C++
>            Reporter: Wes McKinney
>            Priority: Major
>              Labels: Analytics
>
> This is a parent JIRA for starting a module for processing strings in-memory 
> arranged in Arrow format. This will include using the re2 C++ regular 
> expression library and other standard string manipulations (such as those 
> found on Python's string objects)



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