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ASF GitHub Bot commented on FLINK-10281: ---------------------------------------- yanghua commented on issue #6659: [FLINK-10281] Table function parse regular expression contains backslash failed URL: https://github.com/apache/flink/pull/6659#issuecomment-418688875 cc @twalthr @fhueske ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org > Table function parse regular expression contains backslash failed > ----------------------------------------------------------------- > > Key: FLINK-10281 > URL: https://issues.apache.org/jira/browse/FLINK-10281 > Project: Flink > Issue Type: Bug > Components: Table API & SQL > Reporter: vinoyang > Assignee: vinoyang > Priority: Major > Labels: pull-request-available > > for example, regular expression matches text ("\w") or number ("\d") : > {code:java} > testAllApis( > "foothebar".regexExtract("foo([\\w]+)", 1), //OK, the method got > 'foo([\w]+)' > "'foothebar'.regexExtract('foo([\\\\w]+)', 1)", //failed, the method got > 'foo([\\w]+)' returns "", but if pass 'foo([\\w]+)' would get compile error. > "REGEX_EXTRACT('foothebar', 'foo([\\\\w]+)', 1)", //OK, the method got > 'foo([\w]+)' but must pass four '\' > "thebar" > ) > {code} > the "similar to" function has the same issue. > -- This message was sent by Atlassian JIRA (v7.6.3#76005)