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Using Regular Expressions and Lambda to Extract Data from S3

Even when regular expressions aren't supported by native cloud tools, it doesn't mean we can't use them! As long as we can export our data, we can leverage the regular expressions libraries of popular coding languages. Paired with serverless tools like AWS Lambda, we can automatically extract the data we need as soon as it's uploaded to our block storage solution — in this case, S3.

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Path Info

Level
Clock icon Intermediate
Duration
Clock icon 15m
Last updated
Clock icon Sep 01, 2025

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Table of Contents

  1. Challenge

    Create Lambda and Pattern

    Create a Lambda function that extracts organizational email addresses from files uploaded to the userdata bucket and sends them to userdataexports.

  2. Challenge

    Run Lambda

    Download the exampledata.yaml file from the resources and upload it to S3 to check that Lambda works. You can also use the test provided in the linked GitHub repo.

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Pluralsight Skills

Pluralsight Skills gives leaders confidence they have the skills needed to execute technology strategy. Technology teams can benchmark expertise across roles, speed up release cycles and build reliable, secure products. By leveraging our expert content, skill assessments and one-of-a-kind analytics, keep up with the pace of change, put the right people on the right projects and boost productivity. It's the most effective path to developing tech skills at scale.

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Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.

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Follow along with the author’s guided walkthrough and build something new in your provided environment!

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