<!doctype html>
<html>

<head>
  <title>angularjs phone number 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) {
      $scope.phoneNumbr = /^\+?\d{2}[- ]?\d{3}[- ]?\d{5}$/;
    });
  </script>
</head>

<body ng-app="myApp">
  <ng-form name="myForm" ng-controller="mainCtrl">
    <div>Phone No. :</div>
    <div>
      <input type="text" placeholder="+91-636-78658" 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.$error.maxlength">Phone no not more than 11 char.</span>
      <br><span class="error" ng-show="myForm.phone.$error.pattern">Please match pattern [+91-036-78658 || 91-036-78658]</span>
    </div>
  </ng-form>
  <br/>
  <div>
    <a href="http://www.code-sample.com/" traget="_blank">Go for more detail...</a>
  </div>
</body>

</html>
// Code goes here

/* Styles go here */