Angular check ng-repeat value

ok here is a good one. Is there a way to check the value inside ng-repeat and if it is the same give alert or ng-readonly. anything that will alert the user you put in the same value that exists in the ng-repeat.
Seven priceFull StackAsked:
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Alexandre SimõesManager / Technology SpecialistCommented:
Forget about the ng-repeat, use the model instead.
just create a function that validates the input value against the model variable.

I have to go but it's just a matter of validating on blur if the value the user entered exists in the $scope.choices values.

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Julian HansenCommented:
You can use ng-blur or ng-change

<div ng-controller="MainCtrl">
    <div ng-repeat="row in choices">
        <input type="text" class="form-control" ng-model="" />
        <input type="text" class="form-control" ng-model="row.vallues" /> 
    <br />
    <div style="margin-top:50px;">  <input type="text" class="form-control" ng-model="checkval" ng-blur="inList()"/> Type value same as ng-rpeat value cause alert or validation</div>
   <!-- <div>Total of all rows: {{row |total}}</div>-->
    <div ng-show="checkValError">Input cannot be in list</div>

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app.controller('MainCtrl', function ($scope) {
      $scope.choices = [
            { id: 'Choice1', vallues: 'test' },
            { id: 'Choice7', vallues:'test' }
	  $scope.checkval = '';
      $scope.checkValError = false;
      $scope.inList = function () {
      for(var i in $scope.choices) {
        $scope.checkValError = false;
        if ($scope.choices[i].id == $scope.checkval) {
          $scope.checkValError = true;

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Seven priceFull StackAuthor Commented:
Julian HansenCommented:
You are welcome
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