---
title: "Discussion on \"Regex: Tokenize repeating characters in a string\" | Hashnode"
description: "Discussion on \"Regex: Tokenize repeating characters in a string\". TL;DR: Tokenize the repeating characters in a string with (\\w)\\1*.\n\nSome coding challenges (and the occasional real-world challenge) require you to act on the repeating characters in a string. A couple of examples include finding binary gaps, like th..."
url: "https://hashnode.com/posts/regex-tokenize-repeating-characters-in-a-string/5fbe85ef08c16c34b89c4367"
---

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# [Regex: Tokenize repeating characters in a string](https://spaceaardvark.hashnode.dev/regex-tokenize-repeating-characters-in-a-string?utm_source=hashnode&utm_medium=feed)

TL;DR: Tokenize the repeating characters in a string with (\\w)\\1\*. Some coding challenges (and the occasional real-world challenge) require you to act on the repeating characters in a string. A couple of examples include finding binary gaps, like th...

Nov 25, 2020 · 2 min read · spaceaardvark.hashnode.dev  
Updated Feb 14, 2021  
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-   [#javascript](https://hashnode.com/tag/javascript)
-   [#python](https://hashnode.com/tag/python)

## Written by

[Space Aardvark](https://hashnode.com/@spaceaaradvark)

@spaceaaradvark · Texas, USA

  
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Frontend, Fintech, and Fadoodles

Hi, I'm Seth Livingston, a Senior Software Engineer at Moov Financial. Aardvark by abraham.williams (https://www.flickr.com/photos/14939682@N02) Space background by Jeremy Perkins (https://unsplash.com/@jeremyperkins?utm\_source=unsplash&utm\_medium=referral&utm\_content=creditCopyText)

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