code: func regexReplaceAll(re, pl, s string) (string, error) {
  	compiled, err := regexp.Compile(re)
  	if err != nil {
  		return "", err
  	}
  	return compiled.ReplaceAllString(s, pl), nil
  }
docs: // regexReplaceAll replaces all occurrences of a regular expression with
  // the given replacement value.