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var s:String = "sadasdasdasd[大笑]asdasdad[酷]";
var reg:RegExp = /\[(.*?){0,2}\]/ig;
var temp:Object = reg.exec(s);
while (temp != null)
{
trace(temp[1]);
temp = reg.exec(s);
}
var reg:RegExp=/\b\[.*\]\b/;
var source:String="sadasdasdasd[大小]ddsdfdssf[笑话]ewweqwe";
var rest:Array=source.match(reg);
//rest[0]="[大小]ddsdfdssf[笑话]"