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Apache Spark commented on SPARK-11069: -------------------------------------- User 'hhbyyh' has created a pull request for this issue: https://github.com/apache/spark/pull/9092 > Add RegexTokenizer option to convert to lowercase > ------------------------------------------------- > > Key: SPARK-11069 > URL: https://issues.apache.org/jira/browse/SPARK-11069 > Project: Spark > Issue Type: New Feature > Components: ML > Reporter: Joseph K. Bradley > Priority: Minor > > Tokenizer converts strings to lowercase automatically, but RegexTokenizer > does not. It would be nice to add an option to RegexTokenizer to convert to > lowercase. Proposal: > * call the Boolean Param "toLowercase" > * set default to false (so behavior does not change) > *Q*: Should conversion to lowercase happen before or after regex matching? > * Before: This is simpler. > * After: This gives the user full control since they can have the regex treat > upper/lower case differently. > --> I'd vote for conversion before matching. If a user needs full control, > they can convert to lowercase manually. -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org