---
title: "Discussion on \"Apache Beam: Regex\" | Hashnode"
description: "Discussion on \"Apache Beam: Regex\". Overview\nDo you have a custom DoFn that applies a regular expression (regex) pattern to the input element? Well, did you know there is a built-in Apache Beam transform called Regex which can simplify your code?\nWhen You Should Use the Keys Transform\n..."
url: "https://hashnode.com/posts/apache-beam-regex/64f53565e73c096bc04bc448"
---

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# [Apache Beam: Regex](https://nikhilrao.blog/apache-beam-regex?utm_source=hashnode&utm_medium=feed)

Overview Do you have a custom DoFn that applies a regular expression (regex) pattern to the input element? Well, did you know there is a built-in Apache Beam transform called Regex which can simplify your code? When You Should Use the Keys Transform ...

Sep 4, 2023 · 1 min read · nikhilrao.blog  
Updated Jan 15, 2025  
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-   [#apache-beam](https://hashnode.com/tag/apache-beam)
-   [#google-cloud](https://hashnode.com/tag/google-cloud)

## Written by

[Nikhil Rao](https://hashnode.com/@nrao57)

@nrao57

  
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