# Exclude dash "-" in Kibana search

**URL:** <https://discuss.elastic.co/t/exclude-dash-in-kibana-search/77572>\
**Category:** Kibana\
**Created:** [March 6, 2017, 7:57pm UTC](https://discuss.elastic.co/t/exclude-dash-in-kibana-search/77572 "2017-03-06T19:57:14Z")\
**Posts on this page:** 1\
**Showing post:** 4

<div class="post-metadata">

**Author:** ![tsullivan](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/tsullivan/32/31077_2.png) [@tsullivan](https://discuss.elastic.co/u/tsullivan)\
**Post date:** [March 8, 2017, 12:10am UTC](https://discuss.elastic.co/t/exclude-dash-in-kibana-search/77572/4 "2017-03-08T00:10:32Z")

</div>

Kibana renders a `null` value in the Elasticsearch data as `-`. You probably want to check on the data in ES (you can use Console in Dev Tools for this), to see if the values for this data is actually `null`.

You probably want to use `_exists_:referer` in your search.

---

_[View the full topic](https://discuss.elastic.co/t/exclude-dash-in-kibana-search/77572)._