Filtering a numeric column for NA values

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Assessment

Difficulty
3/5
Estimated time
1-2 days
Newbie friendliness
35/100
Issue type
Feature
Clarity
Needs clarification
Activity status
Stale
Tech stack
javascript, r
Domain
frontend

Research direction

Start with the minimal renderDT(datatable(...)) example and inspect how the column filter handles the numeric column containing NA. Determine whether the requested behavior should support filtering NA values and combining that condition with a regex or numeric condition; done means the documented example produces the intended filtered rows.

Written by the indexing model from the issue text.

Description

Hello, here's a minimal example:

renderDT(datatable(data.frame(a=c(1,2,3,NA)), options = list(dom = 'Sflrtip', search = list(regex=TRUE)), filter = 'top'))

Is there a way to filter for the 4th row (NA) using the column filter?
Even better, can I use a regex to filter for e.g. either NA or >2?

Thank you for your help.

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