Phrase Exact Match with Margin of Error

[Max Bridgewater]

Hi,

I am trying to do phrase exact match. For this, I use
KeywordTokenizerFactory. This basically does what I want to do. My field
type is defined as follows:

<fieldType name="myDummyExactMatch"  class="solr.TextField"
positionIncrementGap="100">
      <analyzer type="index">
        <tokenizer class="solr.KeywordTokenizerFactory"/>
        <filter class="solr.LowerCaseFilterFactory"/>
      </analyzer>
      <analyzer type="query">
        <tokenizer class="solr.KeywordTokenizerFactory"/>
        <filter class="solr.LowerCaseFilterFactory"/>
      </analyzer>
    </fieldType>


In addition to this, I want to tolerate typos of two or three letters. I
thought fuzzy search could allow me to accept this margin of error. But
this doesn't seem to work.

A typical query I would have is:

q=subjet:"Bridge the gap between your skills and your goals"

Now, in this query, if I replace gap with gat, I was hoping I could do
something such as:

q=subjet:"Bridge the gat between your skills and your goals"~0.8

But this doesn't quite do what I am trying to achieve.

Any suggestion?