Specify a regexp filter

filter_regexp(
  query,
  field,
  regexp,
  bool = c("must", "filter", "must_not", "should")
)

Arguments

query	a `query_agg()` or `query_fetch()` object
field	field name (see `queryable_fields()` for all possibilities)
regexp	a regular expression string to match
bool	one of "must", "filter", "must_not", "should" (see here)