Detect Persian Unicode of Text

isPersian.md

Detect Persian Unicode of Text

/**
 * @param {string}
 * @return {boolean}
 */
const isPersian = (str) => {
  const letters = [];
  for (let i = 0; i <= str.length; i++) {
    letters[i] = str.substring((i - 1), i);
    if (letters[i].charCodeAt() > 255) { return true; }
  }
  return false;
}

Usage

const text = "Reference site about Lorem Ipsum, giving information on its origins, as well as a random Lipsum generator."
const fa = "این یک متن ازمایشی میباشد";

isPersian(text) // return false
isPersian(fa) // return true