LorenzoMartini commented on code in PR #36457: URL: https://github.com/apache/spark/pull/36457#discussion_r866783088
########## sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/regexpExpressions.scala: ########## @@ -642,7 +642,7 @@ case class RegExpReplace(subject: Expression, regexp: Expression, rep: Expressio } val source = s.toString() val position = i.asInstanceOf[Int] - 1 - if (position < source.length) { + if (position < source.length || (position == 0 && source.equals(""))) { Review Comment: Ah I see what you mean now! Yes you are right here, sorry my bad! Will change to that. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org