Basics of regex: how to extract information from text with regex [February 2023]

Workshop Wednesday February 8, 2023
Instructors: Kristina Riemer
Presented to: ALVSCE researchers

Have you ever needed to get all of the numbers out of a string of random characters, or get only the words that start with a particular letter from some text? Maybe you have written something like [0-9]+ or ^T or even /^-?\d*(\.\d+)?$/ to achieve this type of task? Do you want to understand how to write these expressions without just copying and pasting from a Stack Overflow post? Then this is the workshop for you!

We will walk through the basics of regular expressions and how they are constructed piece by piece. These basics will apply across different platforms, including using them on the command line with commands like grep and in programming languages like R and Python.