Regular expressions have been part of the programmer’s toolkit for a long time, with their creation by Stephen Cole King in 1951. Their ability to match word patterns make them a powerful tool ...

Regular expressions are built into many programming languages and used to match, search, and transform patterns of text in your programs. Get started with Regex.

So I'm working with Cypress and I'm attempting to understand how to verify a URL via regex matching; but I want to use several character sets in the regex, and I want to add a variable as well.

With regex and grep, you can search for patterns in text files with either simple or very complex patterns. Also: The first 5 Linux commands every new user should learn You could also use regex ...