[b]Bold text[/b]
[i]Italic text[/i]
[u]Underlined text[/u]
[s]Strikethrough[/s]

[url=http://example.com]Click here[/url]
[img]http://example.com/image.png[/img]

[color=#ff0000]Red text[/color]
[size=18]Big text[/size]

[quote=John]
This is a quoted message.
[/quote]

[code]
echo "Hello World";
[/code]

[list]
[*]First item
[*]Second item
[*]Third item
[/list]

[table]
[tr][th]Header[/th][th]Header 2[/th][/tr]
[tr][td]Cell 1[/td][td]Cell 2[/td][/tr]
[/table]