2 strings capital starts with capital javascript code example

Example 1: javascript separate words by capital letter

"thisIsATrickyOne".split(/(?=[A-Z])/);

Example 2: find capital word in string javascript

const str = "HERE'S AN UPPERCASE PART of the string";
const upperCaseWords = str.match(/(\b[A-Z][A-Z]+|\b[A-Z]\b)/g);

console.log(upperCaseWords);