Text analysis with SQL Introduction to regular expressions

221. Introduction to regular expressions

Here we are, starting with regular expressions 💪 In my eyes it’s one of the most complex topics in SQL alongside window functions. 💡 As with any complexity, once it is mastered it gives you so much power. 🔥

I use regular expressions daily to match complex text patterns for many purposes. I think that regular expressions are one of the most important tools of any Data Analyst. Let’s get it! 🚀

What are regular expressions?

Regular expressions (also known as regex or regexp) is a way to define search patterns in text. That’s it. It sounds simple but I...

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Anatoli Makarevich, author of SQL Habit About SQL Habit

Hi, it’s Anatoli, the author of SQL Habit. 👋

SQL Habit is a course (or, as some of the students say, “business simulator”). It’s based on a story of a fictional startup called Bindle. You’ll play a role of their Data Analyst 📊 and solve real-life challenges from Business, Marketing, and Product Management.

SQL Habit course is made of bite-sized lessons (you’re looking at one atm) and exercises. They always have a real-life setting and detailed explanations. You can immediately apply everything you’ve learned at work. 🚀

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-- Type your query here, for example this one -- lists all records from users table: SELECT * FROM users
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