this post was submitted on 11 Jul 2023
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GNU BRE/ERE cheatsheet and differences between grep, sed and awk (learnbyexample.github.io)
submitted 2 years ago by learnbyexample@programming.dev to c/linux@programming.dev
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Hello. I wrote this blog post to serve as a reference for BRE/ERE regexp flavors. You'll also learn the differences between these tools — for example, awk doesn't support backreferences within regexp definition (i.e. the search portion).

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