{{ keytext|wordFilter:"#" }}

var myapp=angular.module("myapp",[]); /*自定义过滤器*/ myapp.filter("wordFilter",function () { return function (msg,flag) { /*替换关键字*/ return msg.replace(/枪|子弹/g,flag); } }) myapp.controller("myCtrl",function ($scope) { $scope.keytext=""; })