puoi usare questa funzione prototype:
codice:
String.prototype.replace = function() {
var arg_search, arg_replace, position;
var endText, preText, newText;
arg_search = arguments[0];
arg_replace = arguments[1];
if (arg_search.length == 1) {
return this.split(arg_search).join(arg_replace);
}
position = this.indexOf(arg_search);
if (position == -1) {
return this;
}
endText = this;
do {
position = endText.indexOf(arg_search);
preText = endText.substring(0, position);
endText = endText.substring(position+arg_search.length);
newText += preText+arg_replace;
} while (endText.indexOf(arg_search) != -1);
newText += endText;
return newText;
};
stringa = "10,50";
stringaNuova = stringa.replace(',', '.');
trace("original was: "+stringa);
trace("replaced is: "+stringaNuova);
che trovi qui:
http://www.sephiroth.it/proto_detail.php?id=16