Simplify Transpilation of $ with Extended Line Separator Support in cuDF Regex #11663
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Signed-off-by: Suraj Aralihalli <[email protected]>
Signed-off-by: Suraj Aralihalli <[email protected]>
Signed-off-by: Suraj Aralihalli <[email protected]>
Signed-off-by: Suraj Aralihalli <[email protected]>
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Resolves #11554
In cuDF, support for multiple newline characters was expanded from NEW_LINE (
\n) to include the following:\u0085)\u2028)\u2029)\r)\n)PR #17139 introduced this change to cuDf JNI with
RegexFlag::EXT_LINE. This PR simplifies the transpilation of$by changing the pattern from(?:\r|\u0085|\u2028|\u2029|\r\n)?$to the simpler(?:\r\n)?$and updates all functions to useRegexFlag::EXT_LINEwherever this transpilation occurs.This PR also drops support for
$\zbecause\zis not supported by cuDf. Alternatively, we could transpile$\zto$(?![\r\n\u0085\u2028\u2029]). However, cuDf doesn't support negative look ahead.