fuzzy searching with query_string Elasticsearch

Question

i have a record saved in Elasticsearch which contains a string exactly equals to Clash of clans

now i want to search this string with Elasticsearch and i using this

{
    "query_string" : {
        "query" : "clash"
    }
}

its working perfectly but now if i write

"query" : "class"

it dont give me back any record so i realize i should use Fuzzy searching so i come to know that i can use fuzziness parameter with query_string so i did

{
    "query_string" : {
        "query" : "clas"
        "fuzziness":1
    }
}

but still elasticsearch is not returning anything! kindly help and i cant use Fuzzy query i just can use query_string. Thanks

Andrei Stefan · Accepted Answer · 2015-10-19 23:10:45Z

24

You need to use the ~ operator to have fuzzy searching in query_string:

{
  "query": {
    "query_string": {
      "query": "class~"
    }
  }
}

answered Oct 19, 2015 at 23:10

Andrei Stefan

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5 Comments

maq Over a year ago

Thank you so much bro u r amazing ;)

Ivan Vilanculo Over a year ago

This worked for me, thanks. however i wonder if there is no other way because I'm passing the query from an HTTP parameter, so i think it can lead me to problems in the future (if the user adds ~ character at the end of the string).

Palaniichuk Dmytro Over a year ago

What if I have "query": ${search}*? how to use fuzziness ?

Saurabh Pakhare Over a year ago

@PalaniichukDmytro Did you find the solution to this ${search}*?

aroundtheworld Over a year ago

* and ~ is not supported in the same query elastic.co/guide/en/elasticsearch/reference/current/…

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