문자열 관련 javascript function 모음
코딩하다 발견해서 올려봄. 문자열 관련 유틸인듯. 자세히 보진 않았지만 멋지네.
String.prototype.trim = function() {
return this.replace(/(^\s*)|(\s*$)|($\s*)/g, “”);
}
String.prototype.isid = function() {
if (this.search(/[^A-Za-z0-9_-]/) == -1)
return true;
else
return false;
}
String.prototype.isalpha = function() {
if (this.search(/[^A-Za-z]/) == -1)
return true;
else
return false;
}
String.prototype.isnumber = function() {
if (this.search(/[^0-9]/) == -1)
return true;
else
return false;
}
String.prototype.isemail = function() {
var flag, md, pd, i;
var str;
if ( (md = this.indexOf(“@”)) < 0 )
return false;
else if ( md == 0 )
return false;
else if (this.substring(0, md).search(/[^.A-Za-z0-9_-]/) != -1)
return false;
else if ( (pd = this.indexOf(“.”)) < 0 )
return false;
else if ( (pd + 1 )== this.length || (pd – 1) == md )
return false;
else if (this.substring(md+1, this.length).search(/[^.A-Za-z0-9_-]/) != -1)
return false;
else
return true;
}
String.prototype.korlen = function() {
var temp;
var set = 0;
var mycount = 0;
for( k = 0 ; k < this.length ; k++ ){
temp = this.charAt(k);
if( escape(temp).length > 4 ) {
mycount += 2;
}
else mycount++;
}
return mycount;
}
String.prototype.isssn = function() {
var first = new Array(6);
var second = new Array(7);
var total = 0;
var tmp = 0;
if ( this.length != 13 )
return false;
else {
for ( i = 1 ; i < 7 ; i++ )
first[i] = this.substring(i – 1, i);
for ( i = 1 ; i < 8 ; i++ )
second[i] = this.substring(6 + i – 1, i + 6);
for ( i = 1 ; i < 7 ; i++ ) {
if ( i < 3 )
tmp = Number( second[i] ) * ( i + 7 );
else if ( i >= 3 )
tmp = Number( second[i] ) * ( ( i + 9 ) % 10 );
total = total + Number( first[i] ) * ( i + 1 ) + tmp;
}
if ( Number( second[7] ) != ((11 – ( total % 11 ) ) % 10 ) )
return false;
}
return true;
}
String.prototype.ByteLength = function() {
var i,ch;
var strLength = this.length;
var count = 0;
for(i=0;i<strLength;i++)
{
ch = escape(this.charAt(i));
if(ch.length > 4)
count += 2;
else if(ch!=’\r’)
count++;
}
return count;
}
/**
* 문자열을 형식화(3자리마다 콤마 삽입)된 식으로 반환합니다.
*/
String.prototype.NumberFormat = function() {
var str = this.replace(/,/g,””);
var strLength = str.length;
if (strLength<=3) return str;
var strOutput = “”;
var mod = 3 – (strLength % 3);
var i;
for (i=0; i<strLength; i++)
{
strOutput+=str.charAt(i);
if (i < strLength – 1)
{
mod++;
if ((mod % 3) == 0)
{
strOutput +=”,”;
mod = 0;
}
}
}
return strOutput;
}
/**
* 3자리수마다 “,”처리 삭제 wookki25 2005-09-21
*/
String.prototype.DeNumberFormat = function() {
var str = this.replace(/,/g,””);
return str;
}
String.prototype.isKorean = function() {
Unicode = this.charCodeAt(0);
if ( !(44032 <= Unicode && Unicode <= 55203) )
return false;
else
return true;
}
String.prototype.isEnglish = function() {
if (this.search(/[^A-Za-z]/) == -1)
return true;
else
return false;
}
String.prototype.lenH = function() {
var temp;
var set = 0;
var mycount = 0;
for( k = 0 ; k < this.length ; k++ ){
temp = this.charAt(k);
if( escape(temp).length > 4 ) {
mycount += 2;
}
else mycount++;
}
return mycount;
}
/**
* 문자열에서 Byte Len만큼 문자열 잘라온다.
* ex) var s = MidH(“대한민국만세123ABS”,0,10);
*/
function MidH(str, n, len){
//n : 시작점;
//len : ByteLength;
var ret=””;
var tmp = str.substring(n, str.length);
var s=””;
var j=0;
if(tmp.length>0){
for(i=0; i< tmp.length; i++){
if(j <= len){
s = tmp.substring(i,i+1);
if(s.lenH()==2){
j = j+2;
}else{
j++;
}
ret = ret + s;
}else{
break;
}
}
}
return ret;
}
/**
* 문자열이 존재하는지 체크합니다. (복수 가능)
* ex) StrMultiExists(id,”sysadmin”,”admin”…);
*/
function StrMultiExists(str)
{
var i;
var argCount = arguments.length;
if (argCount==0) return false;
var regStr = “”;
for(i=1; i<argCount; i++) {
regStr+=”(“+arguments[i].replace(/([\^\\\$\*\+\?\.])/g,”\\$1“)+”)|”;
}
if (str.search(eval(“/”+regStr.replace(/\|$/g,””)+”/g”))==-1) return false;
else return true;
}
/**
* 문자열을 특정 문자열을 나눠 배열형태의 값으로 반환합니다.
*/
function StringTokenizer(str,separator) {
arrayOfStrings = str.split(separator);
return arrayOfStrings;
}
/**
* 올바른 메일형식인지 체크합니다.
*/
function isValidEmail(str) {
var re=new RegExp(“^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$”,”gi”);
if (str.match(re)) return true;
else return false;
}
/**
* 올바른 홈페이지형식인지 체크합니다.
*/
function isValidHomepage(str) {
var re=new RegExp(“^((ht|f)tp:\/\/)((([a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3}))|(([0-9]{1,3}\.){3}([0-9]{1,3})))((\/|\\?)[a-z0-9~#%&’_\+=:\?\.-]*)*)$”,”gi”);
if (str.match(re)) return true;
else return false;
}
/**
* 올바른 주민등록번호인지 체크합니다.
*/
function IsResidentRegistrationNumber(str1, str2) {
if (isNull(str1)) return false;
if (isNull(str2)) return false;
var Sum = 0;
var i, j;
for (i=0, j=2 ; i<=5 ;i++,j++)
{
Sum += parseInt(str1.charAt(i)) * j;
}
for (i=0, j=8;i<=5;i++, j++)
{
Sum += parseInt(str2.charAt(i)) * j;
if (j==9) j=1;
}
if ((Sum=11-(Sum%11))>9) Sum=Sum%10;
if (parseInt(str2.charAt(6)) != Sum) return false;
return true;
}
/**
* 알파벳만으로 구성된 문자열인지 체크합니다.
*/
function isAlphabet(str) {
if (str.search(/[^a-zA-Z]/g)==-1) return true;
else return false;
}
/**
* 한글로만 구성된 문자열인지 체크합니다.
*/
function isKorean(str) {
var strLength = str.length;
var i;
var Unicode;
for (i=0;i<strLength;i++) {
Unicode = str.charCodeAt(i);
if ( !(44032 <= Unicode && Unicode <= 55203) ) return false;
}
return true;
}
/**
* 숫자만으로 구성된 문자열인지 체크합니다.
*/
function isDigit(str) {
if (str.search(/[^0-9]/g)==-1) return true;
else return false;
}
/**
* 문자열이 NULL인지 체크합니다.
*/
function isNull(str) {
if (str == null || str == “”) return true;
else return false;
}
/**
* 문자열에 한칸이상의 스페이스 입력이 있는지를 체크합니다.
*/
function isValidSpace(str) {
if (str.search(/[\s]{2,}/g)!=-1) return false;
else return true;
}
/**
* 팝업창의 위치값을 마지막에 받아서 창을 띄웁니다.
*/
function Main_OpenWindow(OpenFile,name,nWidth,nHeight,ScrollYesNo,ResizeYesNo,TPosition,LPosition)
{
var newWin = window.open(OpenFile,name,”width=”+nWidth+”,height=”+nHeight+”,toolbar=no,directories=no,status=no,scrollbars=”+ ScrollYesNo +”,resizable=”+ ResizeYesNo +”,menubar=no,Top=”+ TPosition +”,left=”+ LPosition);
newWin.focus();
}
function OpenWindow(OpenFile,name,nWidth,nHeight,ScrollYesNo,ResizeYesNo) {
var newWin
newWin = window.open(OpenFile,name,”width=”+nWidth+”,height=”+nHeight+”,toolbar=no,directories=no,status=no,scrollbars=”+ ScrollYesNo +”,resizable=”+ ResizeYesNo +”,menubar=no”);
newWin.focus();
}
function OpenWindowYes(OpenFile,winname,nWidth,nHeight) {
var newWin
newWin = window.open(OpenFile,winname,”width=”+nWidth+”,height=”+nHeight+”,toolbar=no,directories=no,status=no,scrollbars=yes,resizable=yes,menubar=no”);
newWin.focus();
}
function OpenWindowNo(OpenFile,winname,nWidth,nHeight) {
var newWin
newWin = window.open(OpenFile,winname,”width=”+nWidth+”,height=”+nHeight+”,toolbar=no,directories=no,status=no,scrollbars=no,resizable=no,menubar=no”);
newWin.focus();
}
function OpenWindowPosition(OpenFile,name,nWidth,nHeight,ScrollYesNo,ResizeYesNo,lleft,ttop) {
window.open(OpenFile,name,”width=”+nWidth+”,height=”+nHeight+”,left=”+lleft+”,top=”+ttop+”,toolbar=no,directories=no,status=no,scrollbars=”+ ScrollYesNo +”,resizable=”+ ResizeYesNo +”,menubar=no”);
}
function js_replace(str, oldStr, newStr) {
for (var i=0;i<str.length;i++) {
if(str.substring(i, i+oldStr.length) == oldStr) {
str = str.substring(0, i) + newStr + str.substring(i+oldStr.length, str.length);
}
}
return str;
}
function getAbsoluteLeft(objectId) {
// Get an object left position from the upper left viewport corner
// Tested with relative and nested objects
o = document.getElementById(objectId);
oLeft = o.offsetLeft // Get left position from the parent object
while(o.offsetParent!=null) { // Parse the parent hierarchy up to the document element
oParent = o.offsetParent; // Get parent object reference
oLeft += oParent.offsetLeft; // Add parent left position
o = oParent;
}
// Return left postion
return oLeft
}
function getAbsoluteTop(objectId) {
// Get an object top position from the upper left viewport corner
// Tested with relative and nested objects
o = document.getElementById(objectId);
oTop = o.offsetTop; // Get top position from the parent object
while(o.offsetParent!=null) { // Parse the parent hierarchy up to the document element
oParent = o.offsetParent; // Get parent object reference
oTop += oParent.offsetTop; // Add parent top position
o = oParent;
}
// Return top position
return oTop;
}
function getFlashObjectHeight(objectId) {
o = document.getElementById(objectId);
oHeight = o.height;
return oHeight;
}
function getFlashObjectWidth(objectId) {
o = document.getElementById(objectId);
oWidth = o.width;
return oWidth;
}
