JS正则 Demo

[javascript]代码库

//定义数组  REresult[0]:true or false     REresult[1]:message
var REresult = new Array(2); 
// 邮箱格式检查
function REemailCheck(email) {
	if (email != "") {
		var re = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(.[a-zA-Z0-9_-])+/;
		var result = re.test(email);
		if (result) {
			myArray[0]=true;
			myArray[1]="格式正确";
		} else {
			myArray[0]="false";
			myArray[1]="邮箱格式错误！";
		}
	} else {
		myArray[0]="false";
		myArray[1]="请填写邮箱！";
	}
	return myArray;
}

//检查密码格式 6-22位密码
function REcheckPassword(password) {
	if(password !=""){
		var re = /^[\@A-Za-z0-9\!\#\$\%\^\&\*\.\~]{6,22}$/;
		var result = re.test(password);
		document.getElementById('passwordDiv').style.visibility = "visible";
		if (result) {
			myArray[0]=true;
			myArray[1]="格式正确";
		} else {
			myArray[0]=true;
			myArray[1]="密码长度为6-22位！";
		}
	} else {
		myArray[0]="false";
		myArray[1]="请填写密码！";
	}
	return myArray;
}