selecting non tags

Mygrp <mdgroups@xxxxxxxxx> writes:
>
> I want to write an XSL that will produce an html page frm this xml.
> however i want to retrieve the text between &lt;b&gt;   and
> :&lt;/b&gt;
>
> How is this possible thro XSL?
>

> <xsl:value-of
>     select="substring-after(substring-before('/b&gt;'), 'b&gt;')"/>


I also have a sequence like this

&lt;!--G:13544982--&gt;content&lt;!--G--&gt; 

Where the tags or sequence before and after the 'content' are not the
same. how can content be retrieved in this case ?