JSFiddle - React, Tailwind, and code Playground

by Oleg Lazarev

JavaScript

// Note: `a` is U+0061 LATIN SMALL LETTER A, a BMP symbol.
console.log(/\u{61}/u.test('a'));
// → true

// Note: `𝌆` is U+1D306 TETRAGRAM FOR CENTRE, an astral symbol.
console.log(/\u{1D306}/u.test('𝌆'));
// → true