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From Joe Percivall <>
Subject Re: Apache NiFi expression language
Date Tue, 24 May 2016 20:47:38 GMT

Is there a specific reason you want to do this within Expression Language and not a Processor?
You can use the ExtractTest processor and it will add attributes for the first occurrence
of the pattern in the content of a FlowFile.

- - - - - - 
Joseph Percivall

On Sunday, May 22, 2016 5:56 PM, idioma <> wrote:

I am interested to understand whether in NiFi it is possible to write
regular expressions that only match the first occurrence of a pattern. I do
not seem to be able to make this work and wonder whether it is just
something not possible at all. Here is an example of what I mean:

Thank you

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