\[img\]((((ht|f)tps?://)|(www|ftp)\.)[a-zA-Z0-9\.\#\@\:%&_/\?\=\~\-]+)\[/img\] >>>>> <img src='$1' alt='bbcode image' />
([^\'\"\]])((((ht|f)tps?://)|(www|ftp)\.)[a-zA-Z0-9\.\#\@\:%&_/\?\=\~\-]+) >>>>> $1<a href='$2'>$2</a>
\[url=(\'|\")?((((ht|f)tps?://)|(www|ftp)\.)[a-zA-Z0-9\.\#\@\:%&_/\?\=\~\-]+)(\'|\")?\]([^[]*)\[/url\] >>>>> <a href='$2'>$8</a>
\[b\]([^[]*)\[/b\] >>>>> <strong>$1</strong>
\[i\]([^[]*)\[/i\] >>>>> <em>$1</em>
\[quote\]([^[]*)\[/quote\] >>>>> <div class='quote'>$1</div>
\[code\](.*)\[/code\] >>>>> <div class='code'>$1</div>