removeElementsByContent

auto arr = [1, 8, 17, 4, 23, 8, 8, 3, 13, 19, 8];
auto res = arr.removeElementsByContent(8);
assert(res == [1, 17, 4, 23, 3, 13, 19]);

auto lines = ["", "straw", "", "", "one more straw", "", ""];
auto straws = lines.removeElementsByContent("");
assert(straws == ["straw", "one more straw"]);