Hi there! I’m Mathias, a web standards enthusiast from Belgium. HTML, CSS, JavaScript, Unicode, performance, and security get me excited. You can follow me on Twitter and GitHub.
This article highlights what’s happening in the world of JavaScript regular expressions right now. Spoiler: it’s quite a lot — there are more RegExp-related proposals currently advancing through the TC39 standardization process than there have been updates to RegExp in the history of ECMAScript!
Continue reading “ECMAScript regular expressions are getting better!”…
There is a proposal to add support for Unicode property escapes of the form \p{…} and \P{…} to JavaScript regular expressions. This article explains what Unicode property escapes are, how they work, and why they’re useful.
Continue reading “Unicode property escapes in JavaScript regular expressions”…
const is not about immutabilityThis seems to be a very common misconception that just won’t die. I keep running into it in blog posts, Twitter discussions, and even books.
ES6 updates the grammar for identifiers. This affects a number of things, but most importantly, identifiers can be used as variable names, and identifier names are valid unquoted property names. This post describes the observable changes compared to the old ES5 behavior.
Continue reading “Valid JavaScript variable names in ECMAScript 6”…
This article explains the effects of the new u flag for regular expressions in ES6.
Continue reading “Unicode-aware regular expressions in ECMAScript 6”…