Joris Van den Bossche created ARROW-10432:
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Summary: [C++] CSV reader: support for multi-character /
whitespace delimiter?
Key: ARROW-10432
URL: https://issues.apache.org/jira/browse/ARROW-10432
Project: Apache Arrow
Issue Type: Improvement
Components: C++
Reporter: Joris Van den Bossche
I don't know how useful general "multi-character" delimiter support is, but one
specific type of it that seems useful is "whitespace delimited", meaning any
whitespace (possibly multiple / different whitespace characters).
In pandas you can achieve this either by passing {{delimiter="\s+"}} or
specifying {{delim_whitespace=True}} (and both are equivalent, pandas special
cases {{delimiter="\s+"}} as any other multi-character delimiter is interpreted
as an actual regex and triggers the slower python engine intead of using the
default c engine)
cc [~apitrou] [~npr]
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