Learn Python Interaction with the Operating System by google week 3 Regular Expressions

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Google IT Automation with Python Professional Certificate | Using Python to interact with the Operating System week 3 Regular Expressions
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In this module, you’ll learn about what a regular expression is and why you would use one. We’ll dive into the basics of regular expressions and give examples of wildcards, repetition qualifiers, escapare characters, and more. Next up, we’ll explore advanced regular expressions and deep dive on repetition qualifiers. You’ll tackle new exercises like capturing groups and extracting PIDs using regexes. Finally, we’ll provide a cheat sheet to serve as your go-to guide for regular expressions.

Intro to Module 3: Regular Expressions
What are regular expressions?
Why use regular expressions?
Basic Matching with grep
Simple Matching in Python
Wildcards and Character Classes
Repetition Qualifiers
Escaping Characters
Regular Expressions in Action
Capturing Groups
More on Repetition Qualifiers
Extracting a PID Using regexes in Python
Splitting and Replacing
Module 3 Wrap Up: Regular Expressions

By the end of this course, you’ll be able to manipulate files and processes on your computer’s operating system. You’ll also have learned about regular expressions — a very powerful tool for processing text files — and you’ll get practice using the Linux command line on a virtual machine. And, this might feel like a stretch right now, but you’ll also write a program that processes a bunch of errors in an actual log file and then generates a summary file. That’s a super useful skill for IT Specialists to know.

We’ll kick off by exploring how to execute Python locally, and organize and use code across different Python files. We’ll then learn how to read and write different types of files and use subprocesses and input streams. We’ll also dive into Bash scripting and regular expressions — both very powerful tools for anyone working with systems. We’ll even touch on automatic testing, which allows us to automate how we check if our code is correct. To finish, we’ll put all this together by using the tools that we’ve acquired to process data and generate automatic reports.

We’ll also explain how to set up your own developer environment in your machine. This is a key step in being able to write and deploy powerful automation tools.

Setup, configure and use your own developer environment in Python
Manipulate files and processes running on the Operating System using Python
Understand and use regular expressions (regex), a powerful tool for processing text files
Know when to choose Bash or Python, and create small scripts using Bash

Setting up your Development Environment
Regular Expression (REGEX)
Testing in Python
Automating System Administration Tasks with Python
Bash Scripting

To earn a certificate or quizzes and supplementary reading please enroll for this course here:

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content in the Google IT Support Professional Certificate is licensed under a Creative Commons Attribution 4.0 International License.

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