try {
        val stripped = uri.replace(Regex("[\\u0000-\\u001F\\u007F-\\u009F\\p{javaWhitespace}]"), "")
        URI.create(stripped)
      } catch (e1: Exception) {
        throw RuntimeException(e) // Unexpected!
      }
    }
  }

  /**
   * The username, or an empty string if none is set.
   *