if (event.keyCode == 13) { var pattern:RegExp = /\r|\n/g; var formattedText:String = myTextArea.text.replace(pattern,""); var tmpNum:Number = Number(formattedText); if (typeof(tmpNum) == "number" && tmpNum <= maximumValue && tmpNum >= minimumValue) { updateStepper(tmpNum); lastValueStr = formattedText; } else { updateStepper(Number(lastValueStr)); } }