{ "hello" "world-+." } [ "hello-+world-+." "-+" split1 ] unit-test
{ "goodbye" f } [ "goodbye" " " split1 ] unit-test
{ "" "" } [ "great" "great" split1 ] unit-test
{ "hello" "world-+." } [ "hello-+world-+." "-+" split1 ] unit-test
{ "goodbye" f } [ "goodbye" " " split1 ] unit-test
{ "" "" } [ "great" "great" split1 ] unit-test
{ "hello world" "." } [ "hello world ." " " split1-last ] unit-test
{ "hello-+world" "." } [ "hello-+world-+." "-+" split1-last ] unit-test
{ "goodbye" f } [ "goodbye" " " split1-last ] unit-test
{ "" "" } [ "great" "great" split1-last ] unit-test
{ "hello world" "." } [ "hello world ." " " split1-last ] unit-test
{ "hello-+world" "." } [ "hello-+world-+." "-+" split1-last ] unit-test
{ "goodbye" f } [ "goodbye" " " split1-last ] unit-test
{ "" "" } [ "great" "great" split1-last ] unit-test
{ "hello world" "." } [ "hello world ." " " split1-last-slice [ >string ] bi@ ] unit-test
{ "hello-+world" "." } [ "hello-+world-+." "-+" split1-last-slice [ >string ] bi@ ] unit-test
{ "hello world" "." } [ "hello world ." " " split1-last-slice [ >string ] bi@ ] unit-test
{ "hello-+world" "." } [ "hello-+world-+." "-+" split1-last-slice [ >string ] bi@ ] unit-test