How to truncate special charactors

Hi,
In my application I am using a list box where i am showing different
groups
name. I am using
<%=truncate_html_strip_textual_wrap(group.name,28,28)%>
for truncating the name but it gives me problem when group name come
like Shital’s friends from “Office” Group this

In list box it showing as a Shital's friends from & quote..
how to avoid such a thing? whats a proper way for handling such a

situations?

character like single quote, double quote, ampersand not truncated
properly
please give me a standers way for doing it.