Delete rows which do not meet specific criteria (text values)

I have a really wierd issue with excel. I am trying to eliminate my longdatabase, rows are 170,000. This code doesnt work

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while this code works fine:

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As you see, the two codes return different outcome. The first (doesnt work) keeps only the rows with ELF or OLEP and the second deletes them.

Any help of how i can tweak my first code?

thanks a lot

try

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