Method cssEscape

java/src/org/openqa/selenium/By.java:449–455

(String using)

    }

    private String cssEscape(String using) {
      using = CSS_ESCAPE.matcher(using).replaceAll("\\\\$1");
      if (!using.isEmpty() && Character.isDigit(using.charAt(0))) {
        using = "\\" + (30 + Integer.parseInt(using.substring(0, 1))) + " " + using.substring(1);
      }
      return using;
    }
  }
}