How to Avoid Special Characters except @, # in TextBox using jQuery in ASP.Net MVC

Mahesh19...

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User: Mahesh1986
Posted: on Nov 17, 2016 01:41 AM
Forum: ASP.Net MVC
Answer: 1
Views: 12225

HI ,

i want to avoid special characters in text field in mvc application. We can allow combination of both alpthabet but not all Specials.

Ex : Mahesh@# ---is valied

@#@@@@----- It Should not allow.

How we can achieve this one

Download FREE API for Word, Excel and PDF in ASP.Net

dharmend...

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User: dharmendr
Replied: on Nov 17, 2016 07:19 AM
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Hi Mahesh1986,

Refer the below code.

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
    <script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>
    <script type="text/javascript">
        $(function () {
            $('#btnCheck').on('click', function () {
                var string = $('#TextBox1').val();
                var alphabet = /([a-zA-Z])+(@|#)*$/;
                if (alphabet.test(string)) {
                    alert('Valid');
                    return false;
                }
                else {
                    alert('Not Valid');
                    return false;
                }
            });
        });
    </script>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <input name="TextBox1" type="text" id="TextBox1" /><input type="submit" name="btnCheck"
            value="Check" id="btnCheck" />
    </div>
    </form>
</body>
</html>

Demo

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How to Avoid Special Characters except @, # in TextBox using jQuery in ASP.Net MVC

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