/*--------------------------------------------------------------------------------*\

*  String prototype

\*--------------------------------------------------------------------------------*/

//-----------------------------------------------------------------------------
// ¹®ÀÚÀÇ ÁÂ, ¿ì °ø¹é Á¦°Å
// @return : String
//-----------------------------------------------------------------------------
String.prototype.trim = function() {
	return this.replace(/(^\s*)|(\s*$)/g, "");
}


//-----------------------------------------------------------------------------
// ¹®ÀÚÀÇ Á °ø¹é Á¦°Å
// @return : String
//-----------------------------------------------------------------------------
String.prototype.ltrim = function() {
	return this.replace(/(^\s*)/, "");
}


//-----------------------------------------------------------------------------
// ¹®ÀÚÀÇ ¿ì °ø¹é Á¦°Å
// @return : String
//-----------------------------------------------------------------------------
String.prototype.rtrim = function() {
	return this.replace(/(\s*$)/, "");    
}


//-----------------------------------------------------------------------------
// ¹®ÀÚ¿­ÀÇ byte ±æÀÌ ¹Ýȯ
// @return : int
//-----------------------------------------------------------------------------
String.prototype.byte = function() {

	var cnt = 0;

	for (var i = 0; i < this.length; i++) {

		if (this.charCodeAt(i) > 127)
			cnt += 2;
		else
			cnt++;
	}

	return cnt;
}


//-----------------------------------------------------------------------------
// Á¤¼öÇüÀ¸·Î º¯È¯
// @return : String
//-----------------------------------------------------------------------------
String.prototype.int = function() {

	if(!isNaN(this))
	    return parseInt(this);
	else
		return null;
}


//-----------------------------------------------------------------------------
// ¼ýÀÚ¸¸ °¡Á® ¿À±â
// @return : String
//-----------------------------------------------------------------------------
String.prototype.num = function() {
	return (this.trim().replace(/[^0-9]/g, ""));
}


//-----------------------------------------------------------------------------
// ¼ýÀÚ¿¡ 3ÀÚ¸®¸¶´Ù , ¸¦ Âï¾î¼­ ¹Ýȯ
// @return : String
//-----------------------------------------------------------------------------
String.prototype.money = function() {

	var num = this.trim();

	while((/(-?[0-9]+)([0-9]{3})/).test(num)) {
		num = num.replace((/(-?[0-9]+)([0-9]{3})/), "$1,$2");
	}

	return num;
}


//-----------------------------------------------------------------------------
// ¼ýÀÚÀÇ ÀÚ¸®¼ö(cnt)¿¡ ¸Âµµ·Ï ¹Ýȯ
// @return : String
//-----------------------------------------------------------------------------
String.prototype.digits = function(cnt) {

	var digit = "";

	if (this.length < cnt) {
	    for(var i = 0; i < cnt - this.length; i++) {
			digit += "0";
	    }
	}

	return digit + this;
}


//-----------------------------------------------------------------------------
// " -> &#34; ' -> &#39;·Î ¹Ù²Ù¾î¼­ ¹Ýȯ
// @return : String
//-----------------------------------------------------------------------------
String.prototype.quota = function() {
	return this.replace(/"/g, "&#34;").replace(/'/g, "&#39;");
}


//-----------------------------------------------------------------------------
// ÆÄÀÏ È®ÀåÀÚ¸¸ °¡Á®¿À±â
// @return : String
//-----------------------------------------------------------------------------
String.prototype.ext = function() {
	return (this.indexOf(".") < 0) ? "" : this.substring(this.lastIndexOf(".") + 1, this.length);    
}


//-----------------------------------------------------------------------------
// URL¿¡¼­ ÆĶó¸ÞÅÍ Á¦°ÅÇÑ ¼ø¼öÇÑ url ¾ò±â
// @return : String
//-----------------------------------------------------------------------------    
String.prototype.uri = function() {

	var arr = this.split("?");
	arr = arr[0].split("#");
	return arr[0];    

}


//-----------------------------------------------------------------------------
// Á¤±Ô½Ä¿¡ ¾²À̴ Ư¼ö¹®ÀÚ¸¦ ã¾Æ¼­ À̽ºÄÉÀÌÇÁ ÇÑ´Ù.
// @return : String
//-----------------------------------------------------------------------------
String.prototype.meta = function() {

	var str = this;
	var result = ""

	for(var i = 0; i < str.length; i++) {

	    if((/([\$\(\)\*\+\.\[\]\?\\\^\{\}\|]{1})/).test(str.charAt(i)))
			result += str.charAt(i).replace((/([\$\(\)\*\+\.\[\]\?\\\^\{\}\|]{1})/), "\\$1");
		else
			result += str.charAt(i);

    }

	return result;
}


//-----------------------------------------------------------------------------
// Á¤±Ô½Ä¿¡ ¾²À̴ Ư¼ö¹®ÀÚ¸¦ ã¾Æ¼­ À̽ºÄÉÀÌÇÁ ÇÑ´Ù.
// @return : String
//-----------------------------------------------------------------------------
String.prototype.remove = function(pattern) {
	return (pattern == null) ? this : eval("this.replace(/[" + pattern.meta() + "]/g, \"\")");
}


//-----------------------------------------------------------------------------
// ÃÖ¼Ò ÃÖ´ë ±æÀÌÀÎÁö °ËÁõ
// str.isLength(min [,max])
// @return : boolean
//-----------------------------------------------------------------------------


String.prototype.isLength = function() {

	var min = arguments[0];
	var max = arguments[1] ? arguments[1] : null;
	var success = true;
	
	if(this.length < min)
		success = false;
	
	if(max && this.length > max)
		success = false;

	return success;
}


//-----------------------------------------------------------------------------
// ÃÖ¼Ò ÃÖ´ë ¹ÙÀÌÆ®ÀÎÁö °ËÁõ
// str.isByteLength(min [,max])
// @return : boolean
//-----------------------------------------------------------------------------
String.prototype.isByteLength = function() {

	var min = arguments[0];
	var max = arguments[1] ? arguments[1] : null;
	var success = true;

	if(this.byte() < min)
		success = false;
	
	if(max && this.byte() > max)
		success = false;

	return success;
}


//-----------------------------------------------------------------------------
// °ø¹éÀ̳ª ³ÎÀÎÁö È®ÀÎ
// @return : boolean
//-----------------------------------------------------------------------------
String.prototype.isBlank = function() {
	
	var str = this.trim();
	
	for(var i = 0; i < str.length; i++) {

		if ((str.charAt(i) != "\t") && (str.charAt(i) != "\n") && (str.charAt(i)!="\r"))
			return false;
	
	}
	
	return true;
}


//-----------------------------------------------------------------------------
// ¼ýÀÚ·Î ±¸¼ºµÇ¾î ÀÖ´ÂÁö ÇÐÀÎ
// arguments[0] : Çã¿ëÇÒ ¹®ÀÚ¼Â
// @return : boolean
//-----------------------------------------------------------------------------
String.prototype.isNum = function() {
	return (/^[0-9]+$/).test(this.remove(arguments[0])) ? true : false;
}


//-----------------------------------------------------------------------------
// ¿µ¾î¸¸ Çã¿ë - arguments[0] : Ãß°¡ Çã¿ëÇÒ ¹®ÀÚµé
// @return : boolean
//-----------------------------------------------------------------------------
String.prototype.isEng = function() {
	return (/^[a-zA-Z]+$/).test(this.remove(arguments[0])) ? true : false;
}


//-----------------------------------------------------------------------------
// ¼ýÀÚ¿Í ¿µ¾î¸¸ Çã¿ë - arguments[0] : Ãß°¡ Çã¿ëÇÒ ¹®ÀÚµé
// @return : boolean
//-----------------------------------------------------------------------------
String.prototype.isEngNum = function() {
	return (/^[0-9a-zA-Z]+$/).test(this.remove(arguments[0])) ? true : false;
}


//-----------------------------------------------------------------------------
// ¼ýÀÚ¿Í ¿µ¾î¸¸ Çã¿ë - arguments[0] : Ãß°¡ Çã¿ëÇÒ ¹®ÀÚµé
// @return : boolean
//-----------------------------------------------------------------------------
String.prototype.isNumEng = function() {
	return this.isEngNum(arguments[0]);
}


//-----------------------------------------------------------------------------
// ¾ÆÀ̵ð üũ ¿µ¾î¿Í ¼ýÀÚ¸¸ üũ ù±ÛÀÚ´Â ¿µ¾î·Î ½ÃÀÛ - arguments[0] : Ãß°¡ Çã¿ëÇÒ ¹®ÀÚµé
// @return : boolean
//-----------------------------------------------------------------------------
String.prototype.isUserid = function() {
	return (/^[a-zA-z]{1}[0-9a-zA-Z]+$/).test(this.remove(arguments[0])) ? true : false;
}


//-----------------------------------------------------------------------------
// ÇÑ±Û Ã¼Å© - arguments[0] : Ãß°¡ Çã¿ëÇÒ ¹®ÀÚµé
// @return : boolean
//-----------------------------------------------------------------------------
String.prototype.isKor = function() {
	return (/^[°¡-ÆR]+$/).test(this.remove(arguments[0])) ? true : false;
}


//-----------------------------------------------------------------------------
// ÁֹιøÈ£ üũ - arguments[0] : ÁֹιøÈ£ ±¸ºÐÀÚ
// XXXXXX-XXXXXXX
// @return : boolean
//-----------------------------------------------------------------------------
String.prototype.isJumin = function() {
	
	var arg = arguments[0] ? arguments[0] : "";
	var jumin = eval("this.match(/[0-9]{2}[01]{1}[0-9]{1}[0123]{1}[0-9]{1}" + arg + "[1234]{1}[0-9]{6}$/)");

	if(jumin == null)
		return false;
	else
		jumin = jumin.toString().num().toString();

	// »ý³â¿ùÀÏ Ã¼Å©
	var birthYY = (parseInt(jumin.charAt(6)) == (1 ||2)) ? "19" : "20";
	birthYY += jumin.substr(0, 2);
	var birthMM = jumin.substr(2, 2) - 1;
	var birthDD = jumin.substr(4, 2);
	var birthDay = new Date(birthYY, birthMM, birthDD);
	
	if(birthDay.getYear() % 100 != jumin.substr(0,2) || birthDay.getMonth() != birthMM || birthDay.getDate() != birthDD)
		return false;

	var sum = 0;
	var num = [2, 3, 4, 5, 6, 7, 8, 9, 2, 3, 4, 5];
	var last = parseInt(jumin.charAt(12));
	
	for(var i = 0; i < 12; i++) {
		sum += parseInt(jumin.charAt(i)) * num[i];
	}
	
	return ((11 - sum % 11) % 10 == last) ? true : false;

}


//-----------------------------------------------------------------------------
// ¿Ü±¹ÀÎ µî·Ï¹øÈ£ üũ - arguments[0] : µî·Ï¹øÈ£ ±¸ºÐÀÚ
// XXXXXX-XXXXXXX
// @return : boolean
//-----------------------------------------------------------------------------
String.prototype.isForeign = function() {
	
	var arg = arguments[0] ? arguments[0] : "";
	var jumin = eval("this.match(/[0-9]{2}[01]{1}[0-9]{1}[0123]{1}[0-9]{1}" + arg + "[5678]{1}[0-9]{1}[02468]{1}[0-9]{2}[6789]{1}[0-9]{1}$/)");
	if(jumin == null)
		return false;
	else
		jumin = jumin.toString().num().toString();
	
	// »ý³â¿ùÀÏ Ã¼Å©
	var birthYY = (parseInt(jumin.charAt(6)) == (5 || 6)) ? "19" : "20";
	birthYY += jumin.substr(0, 2);
	var birthMM = jumin.substr(2, 2) - 1;
	var birthDD = jumin.substr(4, 2);
	var birthDay = new Date(birthYY, birthMM, birthDD);
	
	if(birthDay.getYear() % 100 != jumin.substr(0,2) || birthDay.getMonth() != birthMM || birthDay.getDate() != birthDD)
		return false;
	
	if((parseInt(jumin.charAt(7)) * 10 + parseInt(jumin.charAt(8))) % 2 != 0)
		return false;
	
	var sum = 0;
	var num = [2, 3, 4, 5, 6, 7, 8, 9, 2, 3, 4, 5];
	var last = parseInt(jumin.charAt(12));
	
	for(var i = 0; i < 12; i++) {
		sum += parseInt(jumin.charAt(i)) * num[i];
	}
	
	return (((11 - sum % 11) % 10) + 2 == last) ? true : false;
}    


//-----------------------------------------------------------------------------
// »ç¾÷ÀÚ¹øÈ£ üũ - arguments[0] : µî·Ï¹øÈ£ ±¸ºÐÀÚ
// XX-XXX-XXXXX
// @return : boolean
//-----------------------------------------------------------------------------
String.prototype.isBiznum = function() {

	var arg = arguments[0] ? arguments[0] : "";
	var biznum = eval("this.match(/[0-9]{3}" + arg + "[0-9]{2}" + arg + "[0-9]{5}$/)");
	if(biznum == null)
		return false;
	else 
		biznum = biznum.toString().num().toString();
	
	var sum = parseInt(biznum.charAt(0));
	var num = [0, 3, 7, 1, 3, 7, 1, 3];
	for(var i = 1; i < 8; i++) sum += (parseInt(biznum.charAt(i)) * num[i]) % 10;
	sum += Math.floor(parseInt(parseInt(biznum.charAt(8))) * 5 / 10);
	sum += (parseInt(biznum.charAt(8)) * 5) % 10 + parseInt(biznum.charAt(9));

	return (sum % 10 == 0) ? true : false;
}


//-----------------------------------------------------------------------------
// ¹ýÀÎ µî·Ï¹øÈ£ üũ - arguments[0] : µî·Ï¹øÈ£ ±¸ºÐÀÚ
// XXXXXX-XXXXXXX
// @return : boolean
//-----------------------------------------------------------------------------
String.prototype.isCorpnum = function() {

	var arg = arguments[0] ? arguments[0] : "";
	var corpnum = eval("this.match(/[0-9]{6}" + arg + "[0-9]{7}$/)");
	
	if(corpnum == null)
		return false;
	else
		corpnum = corpnum.toString().num().toString();
	
	var sum = 0;
	var num = [1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2];
	var last = parseInt(corpnum.charAt(12));
	
	for(var i = 0; i < 12; i++) {
		sum += parseInt(corpnum.charAt(i)) * num[i];
	}
	
	return ((10 - sum % 10) % 10 == last) ? true : false;
}


//-----------------------------------------------------------------------------
// À̸ÞÀÏÀÇ À¯È¿¼ºÀ» üũ
// @return : boolean
//-----------------------------------------------------------------------------
String.prototype.isEmail = function() {
	return (/\w+([-+.]\w+)*@\w+([-.]\w+)*\.[a-zA-Z]{2,4}$/).test(this.trim());
}


//-----------------------------------------------------------------------------
// ÀüÈ­¹øÈ£ üũ - arguments[0] : ÀüÈ­¹øÈ£ ±¸ºÐÀÚ
// @return : boolean
//-----------------------------------------------------------------------------
String.prototype.isPhone = function() {
	
	var arg = arguments[0] ? arguments[0] : "";
	return eval("(/(02|0[3-9]{1}[0-9]{1})" + arg + "[1-9]{1}[0-9]{2,3}" + arg + "[0-9]{4}$/).test(this)");
}


//-----------------------------------------------------------------------------
// ÇÚµåÆù¹øÈ£ üũ - arguments[0] : ÇÚµåÆù ±¸ºÐÀÚ
// @return : boolean
//-----------------------------------------------------------------------------
String.prototype.isMobile = function() {
	var arg = arguments[0] ? arguments[0] : "";
	return eval("(/01[016789]" + arg + "[1-9]{1}[0-9]{2,3}" + arg + "[0-9]{4}$/).test(this)");
}