  search term not found: "q"
  search term not found: 1000
  search term not found: "zzz"
  search term not found: "zzz"
  search term not found: 500
  search term not found: ""
ECHO: "Characters in string (\"a\"): [0]"
ECHO: "Characters in string (\"adeq\"): [[0, 5], [3, 8], [4], []]"
ECHO: "Default string search (\"abe\"): [0, 1, 8]"
ECHO: "Return all matches for string search (\"abe\"): [[0, 4, 9, 10], [1, 5], [8]]"
ECHO: "Return up to 2 matches for string search (\"abe\"): [[0, 4], [1, 5], [8]]"
ECHO: "Return up to 2 matches for string search; alternate columns (\"aebe\"): [[0, 4], [8], [1, 5], [8]]"
ECHO: "Default number search (7): [5]"
ECHO: "Return all matches for number search (1): [0, 4, 10]"
ECHO: "Return up to 2 matches for number search (1): [0, 4]"
ECHO: "Default list number search ([1, 3, 1000]): [0, 1, []]"
ECHO: "Default list string search ([\"b\", \"zzz\", \"a\", \"c\", \"apple\", \"dog\"]): [1, [], 4, 2, 9, 3]"
ECHO: "Default list mixed search ([\"b\", 4, \"zzz\", \"c\", \"apple\", 500, \"a\", \"\"]): [1, 3, [], 2, 9, [], 4, []]"
ECHO: "Return all matches for mixed search ([\"b\", 4, \"zzz\", \"c\", \"apple\", 500, \"a\", \"\"]): [[1, 5], [3], [], [2, 6], [9], [], [4, 10], []]"
ECHO: "Return all matches for mixed search; alternate columns ([1, \"zz\", \"dog\", 500, 11]): [[0], [], [3], [], [10]]"
