In this post, I hope to cover some of the more intriguing regular expression design patterns that ES205+ opens up, along with a few that are coming to a Javascript environment near you in the near ...

Contribute to FADELELLAHerrami/Regular-expression-in-javascript development by creating an account on GitHub.

Regular expressions are patterns that provide a powerful way to search and replace in text. In JavaScript, they are available via the RegExp object, as well as being integrated in methods of strings.

A full-blown programming language like Java or Python can do many things, but regex does one thing only: match text against patterns. An individual regular expression is expressed as a string of ...

In this case, CloudFlare was trying to use this regular expression to block inline JavaScript. While it isn't made particularly ... Catastrophic backtracking is caused by patterns that can produce ...