Text analysis with SQL Regex functions

230. Regex functions

Let’s compile a list of functions in SQL that work with regular expressions. So far, we’ve been focusing mainly on filtering records with regular expressions, but there’re 2 more applications we need to learn – text extraction and modification.

regexp_matches(text_input, regex)

The regexp_matches() function returns an array of all captured substrings (the whole string that matched the regex OR multiple matched patterns from capturing groups ()).

It’s a very useful function for debugging regular expressions and for text extraction as well. Let’s...

“well worth the money”
Sign up and check out 36 free lessons and exercises.

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. 🚀

“well worth the money”

Fluent in SQL in a month

Master Data Analysis with SQL with real life examples from Product Management, Marketing, Finance and more.
-- Type your query here, for example this one -- lists all records from users table: SELECT * FROM users
Loading chart... ⏳