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  1. Apache Arrow
  2. ARROW-9268

[C++] Add is{alnum,alpha,...} kernels for strings

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Details

    • Improvement
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • None
    • 1.0.0
    • C++

    Description

      A good list of kernels to have would str->bool kernels, similar to:

      https://docs.python.org/3/library/stdtypes.html#str.isalnum and friends.

      I think all but `isidentifier` make sense to have. The semantics of the Python functions seem quite reasonable to have in Arrow, but maybe others can provide feedback if this is a complete/reasonable list to have or not.

      I am not sure if we need more (or less) functions, or if we want more atomic functions, e.g. test for membership in Unicode categories. 

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              maartenbreddels Maarten Breddels
              maartenbreddels Maarten Breddels
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