I am going to share the interesting topic to validate input form, This input form contains to
All the above are used to ng-pattern attribute to validate to each field. The Example code as given below
- Required input text field.
- input phone number.
- input web URL address.
- Email validation etc.
<!doctype html>
<html>
<head>
<title>angularjs form validation</title>
<script src="http://code.angularjs.org/1.2.9/angular.min.js"></script>
<style>
.error {
color: red;
}
</style>
<script>
var app = angular.module('myApp', []);
app.controller('mainCtrl', function ($scope) {
$scope.username = '';
$scope.word = /^\s*\w*\s*$/;
$scope.webURL = '';
$scope.phoneNumbr = /^\+?\d{2}[- ]?\d{3}[- ]?\d{5}$/;
});
</script>
</head>
<body ng-app="myApp">
<ng-form name="myForm" ng-controller="mainCtrl">
<div>UserName :</div>
<div>
<input type="text" name="username" ng-model="username" ng-pattern="word" required>
<span class="error" ng-show="myForm.username.$error.required">Required!</span>
</div>
<div>URL :</div>
<div>
<input type="url" name="webURL" ng-model="webURL" required>
<span class="error" ng-show="myForm.webURL.$error.required">Required!</span>
<span class="error" ng-show="myForm.webURL.$error.url">Not valid url!</span>
</div>
<div>EmailId :</div>
<div>
<input type="email" placeholder="Email" name="email" ng-model="m_email" ng-minlength=3 ng-maxlength=20 required />
<span class="error" ng-show="myForm.email.$error.required">Required!</span>
<span class="error" ng-show="myForm.email.$error.minlength">Not less that 3 char</span>
<span class="error" ng-show="myForm.email.$error.email">Invalid Email!</span>
</div>
<div>Phone No. :</div>
<div>
<input type="text" placeholder="+91-036-78658" name="phone" ng-pattern="phoneNumbr" ng-model="phone" />
<span class="error" ng-show="myForm.phone.$error.required">Required!</span>
<span class="error" ng-show="myForm.phone.$error.minlength">Phone no not less that 10 char.</span>
<span class="error" ng-show="myForm.phone.$error.maxlength">Phone no not more than 11 char.</span>
<span class="error" ng-show="myForm.phone.$error.pattern">Please match pattern [+91-036-78658 or 91-036-78658 ]</span>
</div>
<div>
<input type="button" value="Submit">
</div>
</ng-form>
</body>
</html>