spark git commit: [SPARKR][DOC] regexp_extract should doc that it returns empty string when match fails

2016-09-02 Thread shivaram
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 ##

spark git commit: [SPARKR][DOC] regexp_extract should doc that it returns empty string when match fails

2016-09-02 Thread shivaram
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