Repository: spark
Updated Branches:
refs/heads/branch-2.0 29ac2f62e -> d4ae35d02
[SPARKR][DOC] regexp_extract should doc that it returns empty string when match
fails
## What changes were proposed in this pull request?
Doc change - see https://issues.apache.org/jira/browse/SPARK-16324
##
Repository: spark
Updated Branches:
refs/heads/master 812333e43 -> 419eefd81
[SPARKR][DOC] regexp_extract should doc that it returns empty string when match
fails
## What changes were proposed in this pull request?
Doc change - see https://issues.apache.org/jira/browse/SPARK-16324
## How