#selecting based on regex
msleep %>%
  select(matches("o.+er")) %>%
  glimpse

## Observations: 83
## Variables: 2
## $ order        <chr> "Carnivora", "Primates", "Rodentia", "Soricomorph...
## $ conservation <chr> "lc", NA, "nt", "lc", "domesticated", NA, "vu", N...