# Field value exact string Match
**URL:** https://discuss.elastic.co/t/field-value-exact-string-match/145124
**Category:** Kibana
**Created:** [August 20, 2018, 9:39am UTC](https://discuss.elastic.co/t/field-value-exact-string-match/145124 "2018-08-20T09:39:53Z")
**Posts on this page:** 4
**Page:** 1
### Author:  [@thiraj89](https://discuss.elastic.co/u/thiraj89)
#### Post date: [August 20, 2018, 9:39am UTC](https://discuss.elastic.co/t/field-value-exact-string-match/145124/1 "2018-08-20T09:39:54Z")
In source field have value "/var/access.log" and "/var/access.log - 20180820" . I want to search only source field value matched "/var/access.log". How to write discover query. Please guide me
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### Author:  [@rashmi](https://discuss.elastic.co/u/rashmi)
#### Post date: [August 20, 2018, 8:01pm UTC](https://discuss.elastic.co/t/field-value-exact-string-match/145124/4 "2018-08-20T20:01:25Z")
It depends on how your field is mapped. If you're using Elasticsearch's default mappings for a string field you probably have a `fieldName.keyword` field. You can query against this field to do exact matches since no analysis is performed against `keyword` fields. e.g. `fieldName.keyword:/var/access.log`
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### Author:  [@thiraj89](https://discuss.elastic.co/u/thiraj89)
#### Post date: [August 21, 2018, 7:18am UTC](https://discuss.elastic.co/t/field-value-exact-string-match/145124/5 "2018-08-21T07:18:22Z")
Thanks. It's working fine...
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### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [September 18, 2018, 7:18am UTC](https://discuss.elastic.co/t/field-value-exact-string-match/145124/6 "2018-09-18T07:18:28Z")
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