Summary A regular expression (also refered as regex) is a way to describe a pattern. It defines a search pattern for strings. The search pattern can be anything from a simple character, a fixing ...

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 ...

This is a tutorial on the matching email regular expression, or regex for short. Hopefully by the end of this tutorial, you will have a deeper understanding of regex components. In this case study, we ...