Bash Regex: How to Use Regex in a Shell Script

Regular expressions (regex) are a powerful tool for defining patterns within text. These patterns serve as robust mechanisms for searching, matching, and manipulating text, significantly reducing the amount of code and effort required to perform complex text-processing tasks. When used within Bash scripts, regex can help automate and streamline a variety of operations.

In this blog post, we'll briefly touch upon what regex is, explore some common regex metacharacters, and demonstrate how to use regex inside Bash scripts. Whether you’re a system admin, a programmer, or someone curious about improving your scripting skills, knowing how to use regex in shell scripts is a valuable skill. So, without further ado, let’s dive in! ...

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