ref: b7fe78cad8a951aa08c3133478da175eb377e2fd
dir: /test/asm/strrpl.asm/
println strrpl("\tld [hli], a", "[hli]", "[hl+]")
println strrpl("lolololol", "lol", "hah")
println strrpl("h e ll o", " ", "")
println strrpl("world", "", "x")
println strrpl("", "a", "b")
println strrpl("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "a", "[bbbbbbbb]")