Elasticsearch nGram Analyzer

es_ngram_analyzer.sh

curl -XDELETE 'http://localhost:9200/alien'

curl -XPUT "http://localhost:9200/alien" -d'
{
   "settings": {
      "analysis": {
         "filter": {
            "index_ngram_filter": {
               "type": "edgeNGram",
               "min_gram": 2,
               "max_gram": 20,
               "token_chars": [
                  "letter",
                  "digit",
                  "punctuation",
                  "symbol"
               ]
            }
         },
         "analyzer": {
            "index_ngram_analyzer": {
               "type": "custom",
               "tokenizer": "standard",
               "filter": [
                  "lowercase",
                  "asciifolding",
                  "index_ngram_filter"
               ]
            },
            "search_ngram_analyzer": {
               "type": "custom",
               "tokenizer": "standard",
               "filter": [
                  "lowercase",
                  "asciifolding"
               ]
            }
         }
      }
   },
   "mappings": {
      "creatures": {
         "properties": {
            "name": {
              "type": "string",
              "index_analyzer": "index_ngram_analyzer",
              "search_analyzer": "search_ngram_analyzer"
            }
         }
      }
   }
}'

curl -XPUT 'http://localhost:9200/alien/creatures/1' -d '{"name" : "Doughnut People"}'
curl -XPUT 'http://localhost:9200/alien/creatures/2' -d '{"name" : "Dolphin"}'
curl -XPUT 'http://localhost:9200/alien/creatures/3' -d '{"name" : "Magrathean"}'
curl -XPUT 'http://localhost:9200/alien/creatures/4' -d '{"name" : "Markovian"}'
curl -XPUT 'http://localhost:9200/alien/creatures/5' -d '{"name" : "Martian"}'
curl -XPUT 'http://localhost:9200/alien/creatures/6' -d '{"name" : "Martian Dog"}'
curl -XPUT 'http://localhost:9200/alien/creatures/7' -d '{"name" : "Maw"}'
curl -XPUT 'http://localhost:9200/alien/creatures/8' -d '{"name" : "Mawkaw Magkong"}'

curl -XPOST "http://localhost:9200/alien/_search" -d'
{
   "size": 10,
   "query": {
      "match": {
         "name": {
            "query": "martian",
            "operator": "and"
         }
      }
   }
}'

curl -XPOST "http://localhost:9200/alien/_search" -d'
{
   "size": 10,
   "query": {
      "match": {
         "name": {
            "query": "mar do"
         }
      }
   }
}'

curl -XPOST "http://localhost:9200/alien/_search" -d'
{
   "size": 10,
   "query": {
      "match": {
         "name": {
            "query": "mar do",
            "operator": "and"
         }
      }
   }
}'