Marco Leise:
Not at all, the documentation explicitly states:assert(equal(splitter("hello world", ' '), [ "hello", "", "world" ]));
I didn't see the ' ' in the OP code, sorry. A test: void main() { import std.stdio, std.string, std.algorithm; auto s = "hello world"; s.split().writeln; std.array.splitter(s).writeln; s.splitter(' ').writeln; } The output seems OK: ["hello", "world"] ["hello", "world"] ["hello", "", "world"] Bye, bearophile