searching Zotero with a frequency/atleast operator?

Hello, I wonder if I can search my Zotero collections/groups (meaning, maybe just metadata or maybe the full text of PDFs/html I have attached to Zotero records) not just for the occurence of terms but also for frequency of terms -- like the Ovid platform command /freq=n or the Factiva command atleastn.
For example, I want to find all the records in this group where the words bias/biases/biased are present at least three times in the abstract.
I am imagining that it would be technically possible with regex and so I am wondering if some creative person has already created a Zotero plugin with this function.
Thanks!
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