# Trying to add ruby filter to remove leading zero

**URL:** https://discuss.elastic.co/t/trying-to-add-ruby-filter-to-remove-leading-zero/168901
**Category:** Logstash
**Created:** [February 18, 2019, 9:13pm UTC](https://discuss.elastic.co/t/trying-to-add-ruby-filter-to-remove-leading-zero/168901 "2019-02-18T21:13:14Z")
**Posts on this page:** 1
**Showing post:** 4

<div class="post-metadata">

### 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 18, 2019, 10:23pm UTC](https://discuss.elastic.co/t/trying-to-add-ruby-filter-to-remove-leading-zero/168901/4 "2019-02-18T22:23:20Z")

</div>

```
ruby { code => ' event.set("message", event.get("message").gsub(/ 0*([0-9]+),/, " \\1,")) ' }
```

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_[View the full topic](https://discuss.elastic.co/t/trying-to-add-ruby-filter-to-remove-leading-zero/168901)._