I love ES

ilovees.txt

DELETE /test

PUT /test/
{
   "settings": {
      "analysis": {
         "char_filter": {
            "emoticon": {
               "type": "mapping",
               "mappings": [
                  "<3=>❤️"
               ]
            }
         },
         "filter" : {
             "heart" : {
                 "type" : "synonym",
                 "synonyms" : [
                     "❤ => ❤,love"
                 ]
             }
         },
         "analyzer": {
            "myanalyzer": {
               "type": "custom",
               "tokenizer": "whitespace",
               "char_filter": [
                  "emoticon"
               ],
               "filter" : [
                   "lowercase",
                   "heart"
               ]
            }
         }
      }
   },
   "mappings": {
      "doc": {
         "properties": {
            "text": {
               "type": "string",
               "analyzer": "myanalyzer"
            }
         }
      }
   }
}

PUT /test/doc/1
{
    "text" : "I <3 ES"
}

PUT /test/doc/2
{
    "text" : "I ❤ ES"
}

PUT /test/doc/3
{
    "text" : "I love ES"
}

POST /test/doc/_search
{
    "query" : {
        "match" : {
            "text" : "I <3 ES"
        }
    }
}

POST /test/doc/_search
{
    "query" : {
        "match" : {
            "text" : "I ❤ ES"
        }
    }
}

POST /test/doc/_search
{
    "query" : {
        "match" : {
            "text" : "I love ES"
        }
    }
}