any way of adding a word filter?

any way of adding a word filter?
for example (eg. not found) avoide words from been indexed..

You can add those words to the common.txt file in the includes folder, every word or combination of words needs to go on a new line in that file.

But you'll also have to erase your database and do a full reindex. If you don´t do this the words will remain in the database.

I have a very simple search form I use attached to a script
to search.

Is it possible to add a bad word filter to this form to prevent
people putting in bad/not acceptable words.

This is the basic form I am using:

<form action="results" method="get">
<input type="text" name="search_query" maxlength="150" size="70">
<input type="submit" value="Search">
</form>

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