Escaping special characters in "new RegExp" constructor

escapeSpecialCharacters.js

function highlightText(text, search) {
  RegExp.escape = function(string) {
    return string.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');
  }
  console.log(new RegExp(RegExp.escape(search), "gi"));
  const html = text.replace(
    new RegExp(RegExp.escape(search), "gi"),
    (match) => `<span class=${styles.highlight}>${match}</span>`,
  );
  return html;
}