Need assistance in defining solr to process user generated query text

[Mysurf Mail]

Hi,
I have been reading solr wiki pages and configured solr successfully over
my flat table.
I have a few question though regarding the querying and parsing of user
generated text.

1. I have understood through this <http://wiki.apache.org/solr/DisMax>page that
I want to use dismax.
    Through this <http://wiki.apache.org/solr/LocalParams>page I can do it
using localparams

    But I think the best way is to define this in my xml files.
    Can I do this?

2.    in this <http://lucene.apache.org/solr/4_3_0/tutorial.html>tutorial
(solr) the following query appears

    http://localhost:8983/solr/#/collection1/query?q=video

    When I want to query my fact table  I have to query using *video*.
    just video retrieves nothing.
    How can I query it using video only?
3. In this <http://wiki.apache.org/solr/ExtendedDisMax#Configuration>page
it says that
"Extended DisMax is already configured in the example configuration, with
the name edismax"
But I see it only in the /browse requestHandler
as follows:


<requestHandler name="/browse" class="solr.SearchHandler">
     <lst name="defaults">
       <str name="echoParams">explicit</str>
        ...
        <!-- Query settings -->
       <str name="defType">edismax</str>

Do I use it also when I use select in my url ?

4. In general, I want to transfer a user generated text to my url request
using the most standard rules (translate "",+,- signs to the q parameter
value).
What is the best way to



Thanks.