In this post, let me explain you how to create strong password for AngularJS. For choosing a password we need combination of special characters, Capital letter , small letters, digits etc to make it strong. Write the following code:

    <!DOCTYPE html> 
        <title>Strong Password for Angular UI Pages</title>            
        <script src=""></script>   
            var app = angular.module("myApp", []); 
            app.controller("myCtrl", function ($scope) {        
                var strongRegularExp = new RegExp("^(?=.*[a-z])(?=.*[A-Z])(?=.*[0-9])(?=.*[!@#\$%\^&\*])(?=.{8,})");        
                var mediumRegularExp = new RegExp("^(((?=.*[a-z])(?=.*[A-Z]))|((?=.*[a-z])(?=.*[0-9]))|((?=.*[A-Z])(?=.*[0-9])))(?=.{6,})");        
                $scope.checkpwdStrength = { 
                    "width": "150px", 
                    "height": "25px", 
                    "float": "right" 
                $scope.validationInputPwdText = function (value) { 
                    if (strongRegularExp.test(value)) { 
                        $scope.checkpwdStrength["background-color"] = "green"; 
                        $scope.userPasswordstrength = 'You have a Very Strong Password now'; 
                    } else if (mediumRegularExp.test(value)) { 
                        $scope.checkpwdStrength["background-color"] = "orange"; 
                        $scope.userPasswordstrength = 'Strong password, Please give a very strong password';  
                    } else { 
                        $scope.checkpwdStrength["background-color"] = "red"; 
                        $scope.userPasswordstrength = 'Weak Password , Please give a strong password'; 
    <body ng-app="myApp"> 
        <div ng-controller="myCtrl" style="border:5px solid gray; width:800px;"> 
                <h3>Strong Password for Angular UI Pages </h3> 
            <div style="padding-left:25px;">                  
<div ng-style="checkpwdStrength"></div> 
                <input type="password" ng-model="userPassword" ng-change="validationInputPwdText(userPassword)" class="class1" /> 
                <b> {{userPasswordstrength}}</b> 
            <br /> 
            <br /> 
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