# Elasticsearch prefix query case insensitive using java API

**URL:** <https://discuss.elastic.co/t/elasticsearch-prefix-query-case-insensitive-using-java-api/19866>\
**Category:** Elasticsearch\
**Created:** [September 18, 2014, 1:06pm UTC](https://discuss.elastic.co/t/elasticsearch-prefix-query-case-insensitive-using-java-api/19866 "2014-09-18T13:06:10Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Suhail\_Mehgal](https://avatars.discourse-cdn.com/v4/letter/s/a6a055/32.png) [@Suhail\_Mehgal](https://discuss.elastic.co/u/Suhail_Mehgal)\
**Post date:** [September 18, 2014, 1:06pm UTC](https://discuss.elastic.co/t/elasticsearch-prefix-query-case-insensitive-using-java-api/19866/1 "2014-09-18T13:06:10Z")

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I wrote a method to search prefix:  
its working for case sensitive. How i can achieve case insensitive prefix method?

public static SearchResponse search(String indexName,String indexType,String key,String value , Client client) {

```
    QueryFilterBuilder qb = FilterBuilders.queryFilter(QueryBuilders.prefixQuery(key, value));  
    return client.prepareSearch(indexName)
            .setTypes(indexType)
            .setSearchType(SearchType.DFS_QUERY_AND_FETCH)
            .setQuery(QueryBuilders.filteredQuery(QueryBuilders.prefixQuery(key, value), qb)).execute()
            .actionGet();
}
```

---

<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [July 6, 2017, 1:01am UTC](https://discuss.elastic.co/t/elasticsearch-prefix-query-case-insensitive-using-java-api/19866/2 "2017-07-06T01:01:15Z")

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