how to delete the content of ace editor on a validation error

My question is related to set focus on ace editor This time I want to delete the content whenever there is a validation error. I have the used the pattern like ``` /^[0-4]$/ and /^([1-9][0-9]{0,3}|[1-5][0-9]{4}|60000)$/; ``` to check the value between 0-4 and 1-60000 respectively. When user provides invalid data my text area is cleared but not the ace editor. I also tried ``` $scope.close = function () { rowObj.entity.value = editor.getValue(); editor.setValue("",0); }; ``` but that is not working.