gistfile1.txt

curl -XPUT localhost:9200/test -d '
{"settings": {
       "analysis" :{
               "analyzer": {
                       "exact_analyzer": {
                               "type": "custom",
                               "tokenizer":"my_pattern_tokenizer",
                               "filter":[]
                       }
               },
               "tokenizer": {
                       "my_pattern_tokenizer": {
                               "type":"pattern",
                               "pattern":"$^"
                       }
               },
               "filter": {
               }
       }
       }
}
'

curl -XPUT localhost:9200/test/type/_mapping -d '{
    "type" : {
        "properties" : {
            "category": {
                "type":"multi_field", 
                    "fields":{
                        "category" : {"type" : "string"},
                        "exactCategory" : {"type" : "string", "store": "yes", "analyzer":"exact_analyzer"}
                    }
            }
        }
    }
}'