Data Viewer: Support filtering string columns by a list of values

[davidjanmassgov]

The Positron Data Viewer currently allows filtering string columns using conditions such as:

contains
does not contain
starts with
ends with
regex matches
is equal to
is not equal to

However, there does not appear to be an obvious way to filter a column to multiple exact values.

Problem

A common workflow when exploring data is filtering a categorical field to a selected set of values.

For example, given a column:

occ_code

11-1011
11-1021
11-2011
11-2021
...

a user may want to view only:

11-9161
19-1013
19-3022

I have to alternatively export to Excel so I can do some simple exploratory data analysis. I'm sure I could use the regex matches, but it just seems more difficult than putting in a string of values.

[jmcphers]

Thanks for the suggestion! I've opened #14443 to track this idea.