# Pastebin oZHMtpsR
    if (regex.global) {
      let previousOutput;
      while ((matches = regex.exec(output))) {
        previousOutput = inputString;
        output = replaceMatch(matches, output, regex, replacement);
        if (previousOutput === output) {
          break;
        }
      }
    } else if ((matches = output.match(regex)) !== null) {
      output = replaceMatch(matches, output, regex, replacement);
    }