Working with regular expressions I’m also going to cover how to work with regular expressions in JavaScript, though the concepts learned here apply to other languages as well.

I first heard about regular expression denial of service (ReDoS) vulnerabilities from GitHub's Dependabot. Several of my projects over the years have had dependencies that suffered from ReDoS ...

Regular expressions may have flags that affect the search. There are only 6 of them in JavaScript: pattern:i : With this flag the search is case-insensitive: no difference between A and a (see the ...

Summary A regular expression consists of a pattern and optional flags: pattern:g, pattern:i, pattern:m, pattern:u, pattern:s, pattern:y. Without flags and special symbols (that we'll study later), the ...