kumomta/docs/reference/string/rsplit.md

kumo.string.rsplit(STRING, PATTERN)

{{since('dev')}}

Splits STRING by PATTERN in reverse order, returning an array-style table holding the substrings.

assert(
  kumo.json_encode(kumo.string.rsplit('Mary had a little lamb', ' '))
    == '["lamb","little","a","had","Mary"]'
)