# Regex is not working in elastic version 2.1?

**URL:** <https://discuss.elastic.co/t/regex-is-not-working-in-elastic-version-2-1/81389>\
**Category:** Elasticsearch\
**Created:** [April 6, 2017, 1:45am UTC](https://discuss.elastic.co/t/regex-is-not-working-in-elastic-version-2-1/81389 "2017-04-06T01:45:25Z")\
**Posts on this page:** 4\
**Page:** 1

<div class="post-metadata">

**Author:** ![ajeevpk](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/ajeevpk/32/50262_2.png) [@ajeevpk](https://discuss.elastic.co/u/ajeevpk)\
**Post date:** [April 6, 2017, 1:45am UTC](https://discuss.elastic.co/t/regex-is-not-working-in-elastic-version-2-1/81389/1 "2017-04-06T01:45:25Z")

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Ours is elastic version 2.1.1

{  
"query": {  
"bool": {  
"must": {  
"regexp": {  
"message": "\*SRVE0293E\*"  
}  
}  
}  
}  
}

Please let us know how to go about it...

Thanks in advance

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<div class="post-metadata">

**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\
**Post date:** [April 6, 2017, 4:03am UTC](https://discuss.elastic.co/t/regex-is-not-working-in-elastic-version-2-1/81389/2 "2017-04-06T04:03:48Z")

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Not enough reproduction information to really answer but my guess is that you should try with lowercase.

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<div class="post-metadata">

**Author:** ![ajeevpk](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/ajeevpk/32/50262_2.png) [@ajeevpk](https://discuss.elastic.co/u/ajeevpk)\
**Post date:** [April 6, 2017, 1:23pm UTC](https://discuss.elastic.co/t/regex-is-not-working-in-elastic-version-2-1/81389/3 "2017-04-06T13:23:45Z")

</div>

Thanks... lower case worked

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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:** [May 4, 2017, 1:24pm UTC](https://discuss.elastic.co/t/regex-is-not-working-in-elastic-version-2-1/81389/4 "2017-05-04T13:24:18Z")

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