The regular expression library in Javascript starts out with the regex match() function. At it’s simplest, match() acts as a Boolean value to indicate whether or not a section of text matches or ...

RegExp match indices, new public and private class fields, and more. Let's get started! ECMAScript 2022 (ES13) dropped on June 22, codifying the latest batch of new features for JavaScript.

Since grep uses regular expressions (regex) when searching files, the asterisk means "zero or more occurrences of the previous character", so in the second example, it matches dog and dogs, because ...