TIL that \w, \W, and \b in JS RegExps are STILL not Unicode-aware, even when using the shiny new unicode flag (u).
What the damn fuck?!
Replying to @LeaVerou
I had a proposal for that before ES6 was finalized: https://github.com/mathiasbynens/es-regexp-unicode-character-class-escapes/blob/master/d-w-b.md … Rejected out of fear it would hurt `u` adoption 
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JavaScript, HTML, CSS, HTTP, performance, security, Bash, Unicode, i18n, macOS.