GIVEN a regex tutorial WHEN I open the tutorial THEN I see a descriptive title and introductory paragraph explaining the purpose of the tutorial, a summary describing the regex featured in the ...

Welcome to the world of regular expressions, or simply, regex! If you've ever felt the need to find, replace, or validate text patterns, regex is your go-to tool. This tutorial is your friendly guide ...

In this lesson, you’ll learn how to use RegEx (regular expressions) to work with sets of characters. Unlike the ., which matches any single character , sets enable you to match specific characters and ...