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I find regexp treatment to be inconsequential?

 

 

In stringsearcher this works

 

 

This lets "Bomen" pass, but not "BOMEN" or "menBo"

 

 

But in NullAttributeValueMapper

 

 

 

This lets "Bomen" pass..but also "BOMEN"

 

I suspect because of lack of CASE sensitivity control.

 

(can't use switches in this one).

 

 

 

If i use [^(Bomen)] in the NAM on the other hand it works..and only passes "Bomen".

 

 

Why is that? some regexp flavour-mixing?
I know different transformers use different regular expression engines, although doesn't specifically mention which category the attributevaluemappers fall into

 

 

https://knowledge.safe.com/articles/Error_Unexpected_Behavior/Regular-expressions-that-work-in-one-parameter-fail-in-another

 

 

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