Build successful! You can test your changes in the REPL here: https://babeljs.io/repl/build/52380/

It looks like it doesn't transform 🤔
https://babeljs.io/repl/build/52380/#?browsers=chrome%2090&build=&builtIns=false&corejs=3.6&spec=false&loose=false&code_lz=DYUwLgBATiDmIA8AOEC8ED0BtLBDAtAGYC6AZKVgMb4AWxGA3EA&debug=false&forceAllTransforms=false&shippedProposals=false&circleciRepo=&evaluate=false&fileSize=false&timeTravel=false&sourceType=module&lineWrap=true&presets=stage-3&prettier=false&targets=&version=7.18.5%2Bpr.14697&externalPlugins=&assumptions=%7B%7D

It looks like it doesn't transform 🤔 https://babeljs.io/repl/build/52380/#?browsers=chrome%2090&build=&builtIns=false&corejs=3.6&spec=false&loose=false&code_lz=DYUwLgBATiDmIA8AOEC8ED0BtLBDAtAGYC6AZKVgMb4AWxGA3EA&debug=false&forceAllTransforms=false&shippedProposals=false&circleciRepo=&evaluate=false&fileSize=false&timeTravel=false&sourceType=module&lineWrap=true&presets=stage-3&prettier=false&targets=&version=7.18.5%2Bpr.14697&externalPlugins=&assumptions=%7B%7D

It works!

It was missing the v flag and a closing ].

It works, I just had a wrong input 🙂

https://babeljs.io/repl/build/52380/#?code_lz=DYUwLgBATiDmIA8AOEC8ED0BtLBDAtAGYC6AZKVgMb4AWxxGAbgNxA&presets=stage-3&version=7.18.5%2Bpr.14697

Also, I found a bug in the transform: it fails with /\p{RGI_Emoji}/v.

Same time 😄

@mathiasbynens Why /x|*️⃣|0️⃣/u isn't valid? 🤔

Oh damn, I got it.

Magic 🪄
/^x*️⃣?$/u.test("xxxx\uFE0F") -> true

Oh damn, I got it.

Magic 🪄 /^x*️⃣?$/u.test("xxxx\uFE0F") -> true

Ah, good catch! /x|*️⃣|0️⃣/u is actually /x|*\uFE0F\u20E3|0\uFE0F\u20E3/u, where * is treated as a quantifier. Whoops!

Yup, the keycaps are a pain, because they have 0-9 and * and #