JAVA統一社會信用代碼正則，用戶登錄名正則

統一社會信用代碼正則

/**
	* @description 校驗18位的統一社會信用代碼
	* @author CaiCheng
	* @date 2019年11月5日19:17:31
	*/
    public static boolean isLicense18(String license) {
    	if(license.isEmpty()) {
        	return false;
        }
		if(license.length() != 18) {
			return false;
		}
		
		String regex = "^([159Y]{1})([1239]{1})([0-9ABCDEFGHJKLMNPQRTUWXY]{6})([0-9ABCDEFGHJKLMNPQRTUWXY]{9})([0-90-9ABCDEFGHJKLMNPQRTUWXY])$";
		if (!license.matches(regex)) {
			return false;
		}
		//驗證校驗位
		String str = "0123456789ABCDEFGHJKLMNPQRTUWXY";
		int[] ws = { 1, 3, 9, 27, 19, 26, 16, 17, 20, 29, 25, 13, 8, 24, 10, 30, 28 };
		String[] codes = new String[2];
		codes[0] = license.substring(0, license.length() - 1);
		codes[1] = license.substring(license.length() - 1, license.length());
		int sum = 0;
		for (int i = 0; i < 17; i++) {
			sum += str.indexOf(codes[0].charAt(i)) * ws[i];
		}
		int c18 = 31 - (sum % 31);
		if (c18 == 31) {
			c18 = 30;
		}
		if (str.charAt(c18) != codes[1].charAt(0)) {
			return false;
		}
		return true;
	}

賬號登錄名或者密碼6-16位數字和英文字母的正則

	/**
	* @description 校驗字符串由6-16位的英文和數字組成
	* @author CaiCheng
	* @date 2019年11月5日19:17:31
	*/
    public static boolean isStringComposedByLetterAndNum(String str) {
    	if(str.isEmpty()) {
        	return false;
        }
    	String regex = "^(?![0-9]+$)(?![a-zA-Z]+$)[0-9A-Za-z]{6,16}$";
    	return str.matches(regex); 	
    }