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This is a filter-type SmartModule that tests the input record against a provided regular expression. The record is returned if there is a match.


Usage example

To demonstrate how Regex SmartModule works we will use SMDK tool.

First, we need to download it to our cluster:

$ fluvio hub download infinyon/regex-filter@0.1.0

Second, we create a file transform.yaml defining our regular expression:

# transform.yaml
- uses: infinyon/regex-filter@0.1.0
    regex: "[Cc]at" 

Let’s use smdk test to see it in action:

$ smdk test --text '{"fact": "Cats have supersonic hearing"}' --transforms-file ./transform.yaml
{"fact": "Cats have supersonic hearing"}
$ smdk test --text '{"fact": "Dogs have sweat glands at the bottom of their paws"}' --transforms-file ./transform.yaml
[No output returned]