Whether you are parsing logs or validating input, using regular expressions is a great way to accomplish both of these things. The problem is: regular expressions can be hard and that will only grow ...

Please consider following this project's author, Jon Schlinkert, and consider starring the project to show your ️ and support. Parse a regular expression pattern into a tree structure that can be used ...

When Lucene throws on an overly complex regex in the ESQL regex logic, we return that error directly to the user as a 5xx class error. This should be a 4xx class user ...

The first time I ever encountered a regular expression was many years ago now, but I still remember my first thoughts on it: What is this string-like thing? I don’t want to touch it, it looks scary. I ...

If you’ve ever done any serious programming you’ll have run into something called regular expressions: … (abbreviated regex or regexp and sometimes called a rational expression) is a sequence of ...

Abstract: Regular expressions are a powerful string processing tool. However, they are error-prone and receive little error checking from the compiler as most regular ...