从字符串中检索输出数字
Stirng name="asdfq5asdf23";输出数字：523解决方案：// 0-48 1-49 2-50 3-51 4-52 5-53 6-54 7-55 8-56 9-57String s = "sd4f4335g67";for (int i = 0; i < s.length(); i++) {String temp = s.substring(i, i + 1);byte[] y = temp.getBytes();if (y[0] >= 48 && y[0] <= 57){System.out.println(temp);}}?