JSFiddle - React, Tailwind, and code Playground

JavaScript

var re = /(?:^|[^'\u00C0-\u1FFF\u2C00-\uD7FF\w])([\u00C0-\u1FFF\u2C00-\uD7FF\w])(?![^(]*\))/g;  
var str = 'I can\'t (do) this, please (help) me.\n\nI am (someone) ვიღაც';
var m;
while ((m = re.exec(str)) !== null) {
  console.log(m[1]);
}