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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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Lab platform
Lab Info
Level
Intermediate
Last updated
Sep 23, 2025
Duration
15m

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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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