# Grok matching multi-lines saving first and last value to separate fields

**URL:** <https://discuss.elastic.co/t/grok-matching-multi-lines-saving-first-and-last-value-to-separate-fields/264958>\
**Category:** Logstash\
**Created:** [February 20, 2021, 8:41pm UTC](https://discuss.elastic.co/t/grok-matching-multi-lines-saving-first-and-last-value-to-separate-fields/264958 "2021-02-20T20:41:07Z")\
**Posts on this page:** 1\
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**Author:** ![Badger](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/badger/32/25190_2.png) [@Badger](https://discuss.elastic.co/u/Badger)\
**Post date:** [February 21, 2021, 6:03pm UTC](https://discuss.elastic.co/t/grok-matching-multi-lines-saving-first-and-last-value-to-separate-fields/264958/5 "2021-02-21T18:03:41Z")

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grok will not return an array of matches. If you need multiple matches for a single pattern then use a ruby filter and the String .scan function. There is an example of doing that [here](https://discuss.elastic.co/t/match-multiple-4-digit-numbers-in-field/264494/2).

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