Perform a best effort extraction of up to two initials from a space delimited name string

initials.js

/**
 * Perform a best effort extraction of up to two initials from a space delimited name string
 * @param {string} text The text
 * @return {string} The result
 */
function initials(text) {
  if (!text) {
    return ""
  }

  // extract letters, diacritics
  const r = /[A-Za-zÀ-ÖØ-öø-ÿ]/i
  const tokens = text.split(" ").slice(0, 2)

  let result = ""

  for (let i = 0; i <= tokens.length - 1; i++) {
    const m = tokens[i].match(r)
    if (m) result += m[0].toLocaleUpperCase() + " "
  }

  return result.trimRight()
}