as3.0去除空格

                FouthFrame.answerArr[j] = FouthFrame.answerArr[j].replace(/([ 　]{1})/g,"");
                FouthFrame.answerArr[j] = FouthFrame.answerArr[j].replace(/，/g,"");
                FouthFrame.answerArr[j] = FouthFrame.answerArr[j].replace(/。/g,"");
                FouthFrame.answerArr[j] = FouthFrame.answerArr[j].replace(/：/g,"");
                FouthFrame.answerArr[j] = FouthFrame.answerArr[j].replace(/；/g,"");
                FouthFrame.answerArr[j] = FouthFrame.answerArr[j].replace(/,/g,"");

var str:String="是 我们　呀CuPlay   er.com网站"

function trim(string:String):String {
 return string.replace(/([ 　]{1})/g,"");
}
trace(trim(str))

//[ 　]内是一个中文空格一个英文空格
//{1}是说匹配一个到多个
///g是说可连续匹配
//去空格，实际上就是把空格替换成空字符串