jQuery 密碼驗證 字母加數字或符號的組合密碼，不能單獨使用數字、字母或字符

function validPsw() {
	var password = $(".password").val();
	var num = 0;
	var number = 0 ;
	var letter = 0 ;
	var bigLetter = 0 ;
	var chars = 0 ;
	
	if (password.search(/[0-9]/) != -1) {
		num += 1;
		number =1;
	}
	if (password.search(/[A-Z]/) != -1) {
		num += 1;
		bigLetter = 1 ;
	}
	if (password.search(/[a-z]/) != -1) {
		num += 1;
		letter = 1 ;
	}
	if (password.search(/[^A-Za-z0-9]/) != -1) {
		num += 1;
		chars = 1 ;
	}
	if (num >= 2 && (password.length >= 6 && password.length <= 16)) {
		$(".pswSpan").html("");
		$(".password").css("border","#B0B0B0 solid 1px");
	}else if(password.length < 6 || password.length > 16){
		$(".pswSpan").html("密碼由6-16個字符組成!");
		$(".password").css("border","#B35D5D solid 1px");
	}else if(num == 1){
		if(number==1){
			$(".pswSpan").html("不能全爲數字!");
		}
		if(letter==1){
			$(".pswSpan").html("不能全爲字母!");
		}
		if(bigLetter==1){
			$(".pswSpan").html("不能全爲字母!");
		}
		if(chars==1){
			$(".pswSpan").html("不能全爲字符!");
		}
		$(".password").css("border","#B35D5D solid 1px");
	}
}