Github user mushketyk commented on the issue:
https://github.com/apache/flink/pull/2361
Let's see if I understand correctly the test case you are describing. Do
you mean that a pattern like:
```java
begin().oneOrMany().where("a")
.next().optional().where("b")
```
won't work using current `NFA`. But as a result of this change if we have a
sequence "aaab", the NFA should emit two matching patterns: "aaa" and "aaab"?
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