I took ~all the example codes from that page. The first block is the source (in noparse mode, which clearly works). The 2nd block is what happens. Notice that a lot of latter stuff doesn’t work. Also note that it has “s” for strikethrough as opposed to “del” for us. The header codes are also different. Etc.
[noparse]
this text is bold
this text is blue
this text is two sizes larger than normal
this text is in the courier font
this text is highlighted
this text is left-aligned
this text is indented
j.doe@example.com
[thread]42918[/thread]
[post]269302[/post]
[ul]
[li]list item 1[/li][li]list item 2 [/ul] [/li][ol] [li]list item 1[/li][li]list item 2[/li][/ol]
[list=a]
[li]list item 1[/li][li]list item 2[/li][/list]

(Not linked)
<script type="text/javascript">
<!--
alert("Hello world!");
//-->
</script>
$myvar = 'Hello World!';
for ($i = 0; $i < 10; $i++)
{
echo $myvar . "
";
}
<img src="image.gif" alt="image" />
<a href="testing.html" target="_blank">Testing</a>
[a=anchor]Anchor Text[/a]
[align=center]text alignment[/align]
[floatright]This text will float right of object below it.[/floatright]
[h2]Header[/h2]
[h3]Header 3[/h3]
[high]This text is highlighted[/high]
This is a code to create a horizonal line
[hr]22[/hr]
[imglft]http://www.vbulletin.org/forum/cpstyles/vBulletin_3_Frontend/cp_help.gif[/imglft] [imgrft]http://www.vbulletin.org/forum/cpstyles/vBulletin_3_Frontend/cp_help.gif[/imgrft]
[jira]vbiv-123[/jira] [lft]This text will float left of object below it.[/lft]
[name]Xenon[/name]
[node]123456[/node]
[note]This is a note placed within the content.[/note]
[process]Settings > Options > Turn Your vBulletin On and Off[/process]
[rft]This text will float right of object below it.[/rft]
test
[warning]Before you upgrade your forums make sure you have a full and complete backup of your database[/warning]
[/noparse]
this text is bold
this text is blue
this text is two sizes larger than normal
this text is in the courier font
this text is highlighted
this text is left-aligned
this text is indented
j.doe@example.com
[thread]42918[/thread]
[post]269302[/post]
[ul]
[li]list item 1[/li][li]list item 2 [/ul] [/li][ol] [li]list item 1[/li][li]list item 2[/li][/ol]
[list=a]
[li]list item 1[/li][li]list item 2[/li][/list]

(Not linked)
<script type="text/javascript">
<!--
alert("Hello world!");
//-->
</script>
$myvar = 'Hello World!';
for ($i = 0; $i < 10; $i++)
{
echo $myvar . "
";
}
<img src="image.gif" alt="image" />
<a href="testing.html" target="_blank">Testing</a>
[a=anchor]Anchor Text[/a]
[align=center]text alignment[/align]
[floatright]This text will float right of object below it.[/floatright]
[h2]Header[/h2]
[h3]Header 3[/h3]
[high]This text is highlighted[/high]
This is a code to create a horizonal line
[hr]22[/hr]
[imglft]http://www.vbulletin.org/forum/cpstyles/vBulletin_3_Frontend/cp_help.gif[/imglft] [imgrft]http://www.vbulletin.org/forum/cpstyles/vBulletin_3_Frontend/cp_help.gif[/imgrft]
[jira]vbiv-123[/jira] [lft]This text will float left of object below it.[/lft]
[name]Xenon[/name]
[node]123456[/node]
[note]This is a note placed within the content.[/note]
[process]Settings > Options > Turn Your vBulletin On and Off[/process]
[rft]This text will float right of object below it.[/rft]
test
[warning]Before you upgrade your forums make sure you have a full and complete backup of your database[/warning]