message: regex_extract with options test
diff: @@ -10,6 +10,17 @@ SELECT regexp_extract('foobarbaz', 'b..')
  ----
  bar
  +query T
  +SELECT regexp_extract('foobarbaz', 'B..')
  +----
  +(empty)
  +
  +# pass in regex options
  +query T
  +SELECT regexp_extract('foobarbaz', 'B..', 0, 'i')
  +----
  +bar
  +
  query T
  SELECT regexp_extract('foobarbaz', 'b..', 1)
  ----
  