mkv123

CARTO's mobile-sdk (formerly Nutiteq) uses https://github.com/kakashidinho/metalangle to run their rendering on Metal instead of OpenGL. https://github.com/CartoDB/mobile-sdk/blob/master/NEWS.md

My two cents (and a pull request get the discussion going) is that by returning the match groups as an array would instead of just a boolean value, would provide...

Looking at the latest [ECMA script regex spec](https://www.ecma-international.org/ecma-262/6.0/#sec-regexp-regular-expression-objects) and [the specification of ICU regex](http://userguide.icu-project.org/strings/regexp), it looks like ICU is a superset of ECMA script syntax. I've checked all basic operations...

Looks like the u flag also enables a unicode escape syntax not in ICU \u{1D306}