My attempt to prevent certain characters did not succeed
<input type="text" id="full_name" name="full_name" ng-pattern="/[^\@\-#\-&]/">Unfortunately, the code is still allowing those characters.
My attempt to prevent certain characters did not succeed
<input type="text" id="full_name" name="full_name" ng-pattern="/[^\@\-#\-&]/">Unfortunately, the code is still allowing those characters.
To prevent the use of special characters like @, #, &, and -, you can utilize the regular expression "/^[^@#&-]*$/":
<input type="text" id="full_name" name="full_name" ng-model="YOUR_MODEL" ng-pattern="/^[^@#&-]*$/" />
The ^[^@#&-]*$ regex pattern explanation:
^ - signifies the start of the string[^@#&-]* - allows for zero or more characters excluding those specified within the negated character class$ - marks the end of the string.Note: You have the option to make the value mandatory by including the required attribute, or by replacing the * quantifier in the pattern with + (ensuring at least 1 or more characters are required).
Check out this practical demonstration of ngPattern which excludes @, #, &, and - characters using a Regular Expression: /^[^@#&-]+$/:
angular
.module('App', [])
.controller('ExampleController', function($scope) {
$scope.full_name = '';
});<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>
<div ng-app="App" ng-controller="ExampleController">
<form name="form">
<label for="full_name">This input adheres to the specified pattern: </label>
<input type="text" id="full_name" name="full_name" ng-model="full_name" ng-pattern="/^[^@#&-]+$/" /><br>
<hr>
Input valid? = <code>{{form.full_name.$valid}}</code><br>
Model value = <code>{{full_name}}</code>
</form>
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