# Logstash grok pattern validator

**URL:** <https://discuss.elastic.co/t/logstash-grok-pattern-validator/243807>\
**Category:** Logstash\
**Created:** [August 5, 2020, 4:52am UTC](https://discuss.elastic.co/t/logstash-grok-pattern-validator/243807 "2020-08-05T04:52:27Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![ash2](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/ash2/32/45433_2.png) [@ash2](https://discuss.elastic.co/u/ash2)\
**Post date:** [August 5, 2020, 4:52am UTC](https://discuss.elastic.co/t/logstash-grok-pattern-validator/243807/1 "2020-08-05T04:52:27Z")

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I am working on an application in which I am taking grok pattern as input and want to validate if the pattern is correct or not. Is there any library or any other way to validate the grok pattern in Java Spring backend?

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<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:** [September 2, 2020, 4:52am UTC](https://discuss.elastic.co/t/logstash-grok-pattern-validator/243807/2 "2020-09-02T04:52:29Z")

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