[CAMEL-16176] camel-kafka - Bug in header filter strategy regexp pattern

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.7.2, 3.8.0
• Fix Version/s: 3.7.3, 3.9.0
• Component/s: camel-kafka
• Estimated Complexity: Unknown
• Assignee: Claus Ibsen
• Reporter: Claus Ibsen
• Created: 10/Feb/21 06:40
• Updated: 10/Feb/21 08:24
• Resolved: 10/Feb/21 08:24

Description

Reported on twitter
https://twitter.com/AlbanAuzeill/status/1359278148039368704

For this blog
https://blog.sonarsource.com/regular-expressions-present-challenges

And pointing to our code at
https://github.com/apache/camel/blob/41e5be070279a77aec13b8aba7c387015b75bccc/components/camel-kafka/src/main/java/org/apache/camel/component/kafka/KafkaHeaderFilterStrategy.java#L29