/*--------------------------------------------------------------------------------*\
*  JavaScript framework, version 2.0
*
*  Date : 2006. 08. 15.
*  Copyright 1998-2007 by Vricks Studio All right reserved.
*  @author Jeff Yang routine@vricks.com
*  자주 쓰이는 스트링 관련 prototype관련 정리
*--------------------------------------------------------------------------------*/

/*--------------------------------------------------------------------------------*\
*  String prototype
*--------------------------------------------------------------------------------*/
   //-----------------------------------------------------------------------------
   // 문자의 좌, 우 공백 제거
   // @return : String
   //-----------------------------------------------------------------------------
   String.prototype.trim = function() {
       return this.replace(/(^\s*)|(\s*$)/g, "");
   }
   //-----------------------------------------------------------------------------
   // 문자의 좌 공백 제거
   // @return : String
   //-----------------------------------------------------------------------------
   String.prototype.ltrim = function() {
       return this.replace(/(^\s*)/, "");
   }
   //-----------------------------------------------------------------------------
   // 문자의 우 공백 제거
   // @return : String
   //-----------------------------------------------------------------------------
   String.prototype.rtrim = function() {
       return this.replace(/(\s*$)/, "");    
   }
   //-----------------------------------------------------------------------------
   // 문자열의 byte 길이 반환
   // @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;
   }
   //-----------------------------------------------------------------------------
   // 정수형으로 변환
   // @return : String
   //-----------------------------------------------------------------------------
   String.prototype.int = function() {
       if(!isNaN(this)) {
           return parseInt(this);
       }
       else {
           return null;    
       }
   }
   //-----------------------------------------------------------------------------
   // 숫자만 가져 오기
   // @return : String
   //-----------------------------------------------------------------------------
   String.prototype.num = function() {
       return (this.trim().replace(/[^0-9]/g, ""));
   }
   //-----------------------------------------------------------------------------
   // 숫자에 3자리마다 , 를 찍어서 반환
   // @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;
   }
   //-----------------------------------------------------------------------------
   // 숫자의 자리수(cnt)에 맞도록 반환
   // @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;로 바꾸어서 반환
   // @return : String
   //-----------------------------------------------------------------------------
   String.prototype.quota = function() {
       return this.replace(/"/g, "&#34;").replace(/'/g, "&#39;");
   }
   //-----------------------------------------------------------------------------
   // 파일 확장자만 가져오기
   // @return : String
   //-----------------------------------------------------------------------------
   String.prototype.ext = function() {
       return (this.indexOf(".") < 0) ? "" : this.substring(this.lastIndexOf(".") + 1, this.length);    
   }
   //-----------------------------------------------------------------------------
   // URL에서 파라메터 제거한 순수한 url 얻기
   // @return : String
   //-----------------------------------------------------------------------------    
   String.prototype.uri = function() {
       var arr = this.split("?");
       arr = arr[0].split("#");
       return arr[0];    
   }

/*---------------------------------------------------------------------------------*
*  각종 체크 함수들
*---------------------------------------------------------------------------------*/
   //-----------------------------------------------------------------------------
   // 정규식에 쓰이는 특수문자를 찾아서 이스케이프 한다.
   // @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;
   }
   //-----------------------------------------------------------------------------
   // 정규식에 쓰이는 특수문자를 찾아서 이스케이프 한다.
   // @return : String
   //-----------------------------------------------------------------------------
   String.prototype.remove = function(pattern) {
       return (pattern == null) ? this : eval("this.replace(/[" + pattern.meta() + "]/g, \"\")");
   }
   //-----------------------------------------------------------------------------
   // 최소 최대 길이인지 검증
   // 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;
   }
   //-----------------------------------------------------------------------------
   // 최소 최대 바이트인지 검증
   // 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;
   }
   //-----------------------------------------------------------------------------
   // 공백이나 널인지 확인
   // @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;
   }
   //-----------------------------------------------------------------------------
   // 숫자로 구성되어 있는지 학인
   // arguments[0] : 허용할 문자셋
   // @return : boolean
   //-----------------------------------------------------------------------------
   String.prototype.isNum = function() {
       return (/^[0-9]+$/).test(this.remove(arguments[0])) ? true : false;
   }
   //-----------------------------------------------------------------------------
   // 영어만 허용 - arguments[0] : 추가 허용할 문자들
   // @return : boolean
   //-----------------------------------------------------------------------------
   String.prototype.isEng = function() {
       return (/^[a-zA-Z]+$/).test(this.remove(arguments[0])) ? true : false;
   }
   //-----------------------------------------------------------------------------
   // 숫자와 영어만 허용 - arguments[0] : 추가 허용할 문자들
   // @return : boolean
   //-----------------------------------------------------------------------------
   String.prototype.isEngNum = function() {
       return (/^[0-9a-zA-Z]+$/).test(this.remove(arguments[0])) ? true : false;
   }
   //-----------------------------------------------------------------------------
   // 숫자와 영어만 허용 - arguments[0] : 추가 허용할 문자들
   // @return : boolean
   //-----------------------------------------------------------------------------
   String.prototype.isNumEng = function() {
       return this.isEngNum(arguments[0]);
   }
   //-----------------------------------------------------------------------------
   // 아이디 체크 영어와 숫자만 체크 첫글자는 영어로 시작 - arguments[0] : 추가 허용할 문자들
   // @return : boolean
   //-----------------------------------------------------------------------------
   String.prototype.isUserid = function() {
       return (/^[a-zA-z]{1}[0-9a-zA-Z]+$/).test(this.remove(arguments[0])) ? true : false;
   }
   //-----------------------------------------------------------------------------
   // 한글 체크 - arguments[0] : 추가 허용할 문자들
   // @return : boolean
   //-----------------------------------------------------------------------------
   String.prototype.isKor = function() {
       return (/^[가-힣]+$/).test(this.remove(arguments[0])) ? true : false;
   }
   //-----------------------------------------------------------------------------
   // 주민번호 체크 - arguments[0] : 주민번호 구분자
   // XXXXXX-XXXXXXX
   // @return : boolean
   //-----------------------------------------------------------------------------
   String.prototype.isJumin = function() {
       var arg = arguments[0] ? arguments[0] : "";
       var jumin = eval("this.match(/[0-9]{2}[01]{1}[0-9]{1}[0123]{1}[0-9]{1}" + arg + "[1234]{1}[0-9]{6}$/)");
       if(jumin == null) {
           return false;
       }
       else {
           jumin = jumin.toString().num().toString();
       }
       // 생년월일 체크
       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;
   }
   //-----------------------------------------------------------------------------
   // 외국인 등록번호 체크 - arguments[0] : 등록번호 구분자
   // 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}$/)");
       if(jumin == null) {
           return false;
       }
       else {
           jumin = jumin.toString().num().toString();
       }
       // 생년월일 체크
       var birthYY = (parseInt(jumin.charAt(6)) == (5 || 6)) ? "19" : "20";
       birthYY += jumin.substr(0, 2);
       var birthMM = jumin.substr(2, 2) - 1;
       var birthDD = jumin.substr(4, 2);
       var birthDay = new Date(birthYY, birthMM, birthDD);
       if(birthDay.getYear() % 100 != jumin.substr(0,2) || birthDay.getMonth() != birthMM || birthDay.getDate() != birthDD) {
           return false;
       }
       if((parseInt(jumin.charAt(7)) * 10 + parseInt(jumin.charAt(8))) % 2 != 0) {
           return false;
       }
       var sum = 0;
       var num = [2, 3, 4, 5, 6, 7, 8, 9, 2, 3, 4, 5]
       var last = parseInt(jumin.charAt(12));
       for(var i = 0; i < 12; i++) {
           sum += parseInt(jumin.charAt(i)) * num[i];
       }
       return (((11 - sum % 11) % 10) + 2 == last) ? true : false;
   }    
   //-----------------------------------------------------------------------------
   // 사업자번호 체크 - arguments[0] : 등록번호 구분자
   // XX-XXX-XXXXX
   // @return : boolean
   //-----------------------------------------------------------------------------
   String.prototype.isBiznum = function() {
       var arg = arguments[0] ? arguments[0] : "";
       var biznum = eval("this.match(/[0-9]{3}" + arg + "[0-9]{2}" + arg + "[0-9]{5}$/)");
       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;
   }
   //-----------------------------------------------------------------------------
   // 법인 등록번호 체크 - arguments[0] : 등록번호 구분자
   // 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}$/)");
       if(corpnum == null) {
           return false;
       }
       else {
           corpnum = corpnum.toString().num().toString();
       }
       var sum = 0;
       var num = [1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 2]
       var last = parseInt(corpnum.charAt(12));
       for(var i = 0; i < 12; i++) {
           sum += parseInt(corpnum.charAt(i)) * num[i];
       }
       return ((10 - sum % 10) % 10 == last) ? true : false;
   }
   //-----------------------------------------------------------------------------
   // 이메일의 유효성을 체크
   // @return : boolean
   //-----------------------------------------------------------------------------
   String.prototype.isEmail = function() {
       return (/\w+([-+.]\w+)*@\w+([-.]\w+)*\.[a-zA-Z]{2,4}$/).test(this.trim());
   }
   //-----------------------------------------------------------------------------
   // 전화번호 체크 - arguments[0] : 전화번호 구분자
   // @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}$/).test(this)");
   }
   //-----------------------------------------------------------------------------
   // 핸드폰번호 체크 - arguments[0] : 핸드폰 구분자
   // @return : boolean
   //-----------------------------------------------------------------------------
   String.prototype.isMobile = function() {
       var arg = arguments[0] ? arguments[0] : "";
       return eval("(/01[016789]" + arg + "[1-9]{1}[0-9]{2,3}" + arg + "[0-9]{4}$/).test(this)");
   }
   
   //-----------------------------------------------------------------------------
   // 우편번호 체크 - arguments[0] : 우편번호 구분자
   // @return : boolean
   //-----------------------------------------------------------------------------
   String.prototype.isZipcode = function() {
       var arg = arguments[0] ? arguments[0] : "";
       return eval("(/[0-9]{3}" + arg + "[0-9]{3}$/).test(this)");
   }