替换掉文本中出现次数较多的重复的字符串

import flash.events.MouseEvent;

orgText.text = "9,1,1,0,0,2],[93,,,,,1,,]],[23,[0,,,,,0,],[24,,,,,0,],[79,53,180,1,1,0,0,2],[93,,,,,1,,]],[18,[0,,,,,0,],[24,,,,,0,],[72,433,39,1,1,1,0,]],[17,[0,,,,,0,],[24,-591,17,1,1,1,0,3],[47,32,,,,,,],[72,,,,,,,2],[79,-63,,,,,,1],[90,-591,,,,,,],[91,,,,,0,]],[16,[0,49,35,1,1,1,0,]],[15,[0,,,,,0,],[24,-592,16,1,1,1,0,3],[47,31,,,,,,],[72,,,,,,,2],[79,-64,,,,,,1],[90,-592,,,,,,],[91,,,,,0,]],[14,[0,,,,,0,],[24,1252,19,1,1,1,0,3],[47,592,,,,,,],[72,,,,,,,2],[90,1252,,,,,,],[91,,,,,0,]],[13,[0,28,15,0.999,1,1,0,]],[12,[0,23,17,1,1,1,0,]],[11,[0,,,,,0,],[24,,,,,0,],[79,407,188,1,1,0,0,2],[93,,,,,1,,]],[10,[0,,,,,0,],[24,,,,,0,],[79,403,459,0.994,1,0,0,2],[93,408,456,,,1,,]],[9,[0,,,,,0,],[24,,,,,0,],[79,405,185,1,1,0,0,2],[93,,,,,1,,]],[8,[0,,,,,0,],[24,,,,,0,],[79,896,185,1,1.016,0,0,2],[93,,,,1,1,,]],[7,[0,,,,,0,],[24,,,,,0,],[79,404,185,1,1.011,0,0,2],[93,,186,,1,1,,]],[6,[0,,,,,0,],[24,,,,,0,],[79,920,57,1,1,0,0,2],[93,,,,,1,,]],[5,[0,27,481,0.997,1,1,0,]],[4,[0,1245,18,1,1,1,0,]],[3,[0,,,,,0,],[24,,,,,0,],[79,1205,443,1,1,0,0,2],[93,,,,,1,,]],[2,[0,,,,,0,],[24,,,,,0,],[79,1161,445,1,1,0,0,2],[93,,,,,1,,]]],[1212,[27,[0,,,,,0,],[24,,,,,0,],[79,140,396,1,1,0,0,2],[93,,,,,1,,]],[26,[0,,,,,0,],[24,,,,,0,],[79,37,468,1,1,0,0,2],[93,,,,,1,,]],[25,[0,,,,,0,],[24,,,,,0,],[79,369,469,1,1,0,0,2],[93,,,,,1,,]],[23,[0,,,,,0,],[24,,,,,0,],[79,38,180,1,1,0,0,2],[93,,,,,1,,]],[18,[0,,,,,0,],[24,,,,,0,],[72,389,39,1,1,1,0,]],[17,[0,,,,,0,],[24,-635,17,1,1,1,0,3],[47,-12,,,,,,],[72,,,,,,,2],[79,-107,,,,,,1],[90,-635,,,,,,],[91,,,,,0,]],[16,[0,49,35,1,1,1,0,]],[15,[0,,,,,0,],[24,-635,16,1,1,1,0,3],[47,-12,,,,,,],[72,,,,,,,2],[79,-107,,,,,,1],[90,-635,,,,,,],[91,,,,,0,]],[14,[0,,,,,0,],[24,1209,19,1,1,1,0,3],[47,549,,,,,,],[72,,,,,,,2],[90,1209,,,,,,],[91,,,,,0,]],[13,[0,27,15,0.945,1,1,0,]],[12,[0,23,1"

var str:String = orgText.text;
var len = str.length;
var childC:Array = [];

function findSame(index,result)
{
	if(index < len)
	{
		if(index+1 < len)
		{
			var cChar = str.charAt(index);
			var nextChar =  str.charAt(index+1);
			if(cChar == nextChar)
			{
				result += nextChar;
				findSame(index+1,result);
			}
			else
			{
			  childC.push(result);
			  findSame(index+1,nextChar);
			}
	   }
	   else
		   childC.push(result);
	}
}


searchBtn.addEventListener(MouseEvent.CLICK,onSearch)

function onSearch(e:MouseEvent)
{
	str = orgText.text;
    len = str.length;
	childC = [];
	findSame(0,str.charAt(0));
	
	var cloneArr:Array = childC.concat();
	var checkIndex = 0;
	var info = {};

	while(checkIndex < cloneArr.length)
	{
		var child =  childC[checkIndex];
		var idx;
		while( (idx = cloneArr.indexOf(child)) != -1)
		{
			cloneArr.splice(idx,1);
			info[child] = (info[child] == undefined ? 1 : info[child]+1);
		}
		checkIndex++;
	}

	var infoStr = "";
	for(var obj in info)
	{
		
		//trace(count +"_____________" + "'"+obj+"'" + " 出现次数 " + info[obj]);
		infoStr += ("字符：" + "'"+obj+"'" + " 出现次数 " + info[obj] + "\n");
	}
	infoText.text = infoStr;
    replaceBtn.addEventListener(MouseEvent.CLICK,onReplace);
}

function onReplace(e:MouseEvent)
{
	var org = orgIndex.text;
	trace("开始替换 " +org + "to" +replaceChar.text);
	while(str.indexOf(org) != -1)
	str = str.replace(org,replaceChar.text); 
	
	resultText.text = str;
}