@technobuddha/library/isUpperCase/isUpperCase.mjs

A large library of useful functions

const re = /^(\p{Lu})+$/u;
/**
 * Test a string for all upper case characters
 *
 * @param input string to test
 * @return true, if all characters in the string are upper case
 */
export function isUpperCase(input) {
    return re.test(input);
}
export default isUpperCase;