vinoyang created FLINK-9990:
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Summary: Add regex_extract supported in TableAPI and SQL
Key: FLINK-9990
URL: https://issues.apache.org/jira/browse/FLINK-9990
Project: Flink
Issue Type: Sub-task
Components: Table API & SQL
Reporter: vinoyang
Assignee: vinoyang
regex_extract is a very useful function, it returns a string based on a regex
pattern and a index.
For example :
{code:java}
regexp_extract('foothebar', 'foo(.*?)(bar)', 2) // returns 'bar.'
{code}
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