1
Add double-quotes (") in order to surround a word (i.e. something that matches [a-z]+).
[[one, two, three],
[one, two, three],
[one, two, three],
[one, two, three]]
Test cases
[abc,def,ghi,jkl] -> ["abc","def","ghi","jkl"]
this is a test -> "this" "is" "a" "test"
test -> "test...