xccui commented on a change in pull request #6450: [FLINK-9991] [table] Add
regexp_replace supported in TableAPI and SQL
URL: https://github.com/apache/flink/pull/6450#discussion_r216954057
##########
File path:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/api/scala/expressionDsl.scala
##########
@@ -564,6 +564,13 @@ trait ImplicitExpressionOperations {
def overlay(newString: Expression, starting: Expression, length: Expression)
=
Overlay(expr, newString, starting, length)
+ /**
+ * Returns a string resulting from replacing all substrings
Review comment:
Returns a string with all substrings that match the regular expression being
replaced.
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