start:
    goto end

step_0:
    remember s = "Hello "

    do s = s.append("World")

    say s

    say s.to_uppercase()

    say "HELLO WORLD".to_lowercase()

    goto end

step_1:
    remember s = "Hello"

    say s.contains("H")
    say s.contains("Hello")
    say s.contains_regex("(?i)He")

    goto end

step_2:
    remember s = "Hello"

    say s.starts_with_regex("(?i)He")
    say s.ends_with("o")
    say s.starts_with("el")
    say s.starts_with("O")
    say s.ends_with_regex("[l]")
    goto end

step_3:
    say "Hello".contains("H")
    goto end

step_4:
    say "{{\"Hello\".split(\"A\")}}"
    say "{{\"Hello\".split(\"H\")}}"
    say "{{\"Hello\".split(\"l\")}}"
    say "{{\"Hello\".split(\"ll\")}}"
    say "{{\"Hello\".split(\"o\")}}"
    goto end

step_5:
    say "😃Hello World".slice(1)
    say "😃Hello World".slice(1, 6)
    goto end

step_6:
    say "hello World".capitalize()
    goto end

step_7:
    foreach (char) in "😆Hello" {
        say char
    }
    goto end

step_8:
    say "😆Hello World 😆"[0]
    goto end

step_9:
    do toto = "😆Hello World 😆"
    say toto[0]
    say toto

    goto end

step_10:
    do toto = "😆Hello World 😆"
    do toto[0] = "test "
    say toto

    goto end


step_11:
    do toto = "Hello World"
    say toto[0].is_number()
    say toto

    goto end

step_12_slice:
    say "Hello World".slice(0, 3)
    goto end

step_13_to_string:
    say "\"4\"".to_string()

step_14_to_string:
    say "😆\"{{2}}\""

step_15_xml:
    do var = "<Item><name>Banana</name><source>Store</source></Item>"
    do obj = var.to_json()

    say obj.to_xml()

step_16_yaml:
    do var = "---\nx: 1.0\ny: 2.0"
    do obj = var.to_json()

    say obj.to_yaml()

step_17_uri:
    do var = "https://mozilla.org/?key=ы&key2=value2#fragid1=1,4,ы,6"

    say var.encode_uri()

    do var = var.encode_uri()

    say var.decode_uri()

step_18_html_escape:
    do val = "<a><b>42</b></a>"

    say val.encode_html_entities()

    do val.encode_html_entities()

    say val.decode_html_entities()