Java正则校验密码至少包含字母数字特殊符号中的2种实例代码

"[a-zA-Z]{1,}$"

"[0-9]{1,}$"

"((^[a-zA-Z]{1,}[0-9]{1,}[a-zA-Z0-9]*)+)|((^[0-9]{1,}[a-zA-Z]{1,}[a-zA-Z0-9]*)+)$"

"[a-zA-Z0-9]+$"

"\\w+$"

    //特殊字符
    public static final String SPEC_CHARACTERS = " !\"#$%&'()*+,-./:;<=>?@\\]\\[^_`{|}~";
    // 纯字母
    public static final String character = "[a-zA-Z]{1,}$";
    // 纯数字
    public static final String numberic = "[0-9]{1,}$";
    // 字母和数字
    public static final String number_and_character = "((^[a-zA-Z]{1,}[0-9]{1,}[a-zA-Z0-9]*)+)" +
            "|((^[0-9]{1,}[a-zA-Z]{1,}[a-zA-Z0-9]*)+)$";
    // 字母或数字
    public static final String number_or_character = "[a-zA-Z0-9]+$";
    // 字母数字下划线
    public static final String ncw = "\\w+$";

    public static boolean checkPassword(String targetString) {
        String opStr = targetString;
        boolean isLegal = false;
        boolean hasSpecChar = false;
        char[] charArray = opStr.toCharArray();
        for (char c : charArray) {
            if (SPEC_CHARACTERS.contains(String.valueOf(c))) {
                hasSpecChar = true;
                // 替换此字符串
                opStr = opStr.replace(c, ' ');
            }
        }
        String excSpecCharStr = opStr.replace(" ", "");
        boolean isPureNum = Pattern.compile(numberic).matcher(excSpecCharStr).matches();
        boolean isPureChar = Pattern.compile(character).matcher(excSpecCharStr).matches();
        boolean isNumAndChar = Pattern.compile(number_and_character).matcher(excSpecCharStr).matches();
        isLegal = ((isPureNum && hasSpecChar)
                || (isPureChar && hasSpecChar) || isNumAndChar && hasSpecChar) || isNumAndChar;
        System.out.println("字符串：" + targetString + ",是否符合规则：" + isLegal);
        System.out.println("---------------");
        return isLegal;
    }

    public static void main(String[] args) {
        checkPassword("fasdagd");
        checkPassword("41234123");
        checkPassword("#$%^&&*(");
        checkPassword("fasd$$");
        checkPassword("41234%%%");
        checkPassword("fasd41^(324");
        checkPassword("fa413%^&*");
        checkPassword("&%fa413%^&*");
    }

^(?![\d]+$)(?![a-z]+$)(?![A-Z]+$)[\da-zA-z]{8,16}$

console> console.log(/^(?![\d]+$)(?![a-z]+$)(?![A-Z]+$)[\da-zA-z]{8,16}$/g.test("abcdefgh"));
false
console> console.log(/^(?![\d]+$)(?![a-z]+$)(?![A-Z]+$)[\da-zA-z]{8,16}$/g.test("abcdefgH"));
true
console> console.log(/^(?![\d]+$)(?![a-z]+$)(?![A-Z]+$)[\da-zA-z]{8,16}$/g.test("abcdefg8"));
true
console> console.log(/^(?![\d]+$)(?![a-z]+$)(?![A-Z]+$)[\da-zA-z]{8,16}$/g.test("abcdefG8"));
true
console> console.log(/^(?![\d]+$)(?![a-z]+$)(?![A-Z]+$)[\da-zA-z]{8,16}$/g.test("12345678"));
false
console> console.log(/^(?![\d]+$)(?![a-z]+$)(?![A-Z]+$)[\da-zA-z]{8,16}$/g.test("12345678a"));
true

^(?!^(\d+|[a-z]+|[A-Z]+)$)[\da-zA-Z]{8,16}$