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The Regex Tutorial - The Question Mark Makes the Preceding Token Optional site is very useful. If I am not mistaken, the site's link is in the wiki also where you talk about the z-tag.

Lets say I have the following 2 pages:

HBO South Asia | Hollow Man 2. The HTML containing the information is

[CODE]</ul>

</div>

<dl class="info">

    <dt>Starring</dt>

    <dd>Christian Slater, Peter Facinelli, Laura Regan</dd>

    <dt>Genre</dt>

    <dd>Action, Adventure</dd>

    <dt>Duration</dt>

    <dd>1 hr 22 min</dd>

</dl>

</div>

<div class="synopsis">

    <p>some description.</p>

</div>

<div class="legal">[/CODE]

and

HBO South Asia | Single White Female. The HTML containing the information is

[CODE]</ul>

</div>

<dl class="info">

    <dt>Starring</dt>

    <dd>Jennifer Jason Leigh, Bridget Fonda, Steven Weber</dd>

    <dt>Directed</dt>

    <dd>Barbet Schroeder</dd>

    <dt>Genre</dt>

    <dd>Suspense, Thriller</dd>

    <dt>Duration</dt>

    <dd>1 hr 35 min</dd>

</dl>

</div>

<div class="synopsis">

    <p>some description</p>

</div>

<div class="legal">

[/CODE]

My grabber template is

[CODE]<Template name="Details" start="Add to MyHBO</a></li>" end="<div class="legal">">

    <SectionTemplate tags="UDP">

        <TemplateText>

            </ul>

                </div>

                <dl class="info">

                    <z(><dt><*MATCH></dt>

                        <dd><*VALUE></dd></z)?>

                    <z(><dt><*MATCH></dt>

                        <dd><*VALUE></dd></z)?>

                    <dt><*MATCH></dt>

                    <dd><*VALUE></dd>

                    <dt><*MATCH></dt>

                    <dd><*VALUE></dd>

                </dl>

            </div>

            <div class="<*MATCH>">

                <p><*VALUE></p>

            </div>

        </TemplateText>

        <MatchList>

            <Match field="#ACTORS" match="Starring" />

            <Match field="#DIRECTOR" match="Directed" />

            <Match field="#GENRE" match="Genre" />

            <Match field="#DURATION" match="Duration" />

            <Match field="#DESCRIPTION" match="synopsis" />

        </MatchList>

    </SectionTemplate>

</Template>

[/CODE]

As far as I can tell, the page tagMap has 1 match with the template tagMap, but I get wierd behavior with the #DESCRIPTION token. If there is a match with 1 of the z-tags, #DESCRIPTION is ok. But if there are no matches with either of the z-tags, #DESCRIPTION is blank. I have tried debugging it but got the sqlite.dll error again even though sqlite.dll is in the proper folder (...mediaportal\WebEPG\WebEPG-xmltv\bin\Debug).