---
title: "Discussion on \"Filtering keys with a regex (Scan with a regex)\" | Hashnode"
description: "Discussion on \"Filtering keys with a regex (Scan with a regex)\". Introduction The scan verb in the atPlatform is used to get all the keys present in the secondary server.\nPlease check the ScanVerbHandler source code to learn more about the implementation of the scan verb.\nThe focus of this article is to demonstrat..."
url: "https://hashnode.com/posts/filtering-keys-with-a-regex-scan-with-a-regex/6071bedc8b2b857c0bdb5e8e"
---

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# [Filtering keys with a regex (Scan with a regex)](https://blog.atsign.dev/filtering-keys-with-a-regex-scan-with-a-regex?utm_source=hashnode&utm_medium=feed)

Introduction The scan verb in the atPlatform is used to get all the keys present in the secondary server. Please check the ScanVerbHandler source code to learn more about the implementation of the scan verb. The focus of this article is to demonstrat...

Apr 10, 2021 · 1 min read · blog.atsign.dev  
Updated Jan 10, 2023  
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## Written by

[Naresh](https://hashnode.com/@nareshg)

@nareshg

  
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Senior software engineer

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