Splits messages in coloured JSON parts

JSONSplitter

Pattern colour = Pattern.compile(ChatColor.COLOR_CHAR+"([0-9a-fk-or])(.*)", Pattern.CASE_INSENSITIVE);

public FancifulMessage foo(String msg)
{
    String[] pieces = msg.replace(ChatColor.COLOR_CHAR.toString(), "\0"+ChatColor.COLOR_CHAR).split("\0");
    int i = 0;
    FancifulMessage fm;
    // Perhaps reset
    String part;
    Matcher m;
    while(i < pieces.length);
    {
        part = pieces[i].trim();
        m = colour.matcher(part);
        if(!m.matches())
        {
            ChatColor c = ChatColor.getByColorChar(m.group(1));
            if(c.isColor())
                fm.color(c);
            else
                fm.style(c);
            part = m.group(2).trim();
        }
        if(!part.isEmpty())
        {
            fm.text(part);
            fm.then();
        }
        i++;
    }
    return fm;
}