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Thursday 30 May 2013

How To Remove Special Characters from Text box Using JavaScript in C# Asp.Net

How To  Remove Special Characters from Text box Using JavaScript in C# Asp.Net


Program:

.Aspx File:

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Remove Special Characters from the Textbox using JavaScript</title>
<script language="javascript" type="text/javascript">
    function RemoveSpecialChar(txtName) {
        if (txtName.value != '' && txtName.value.match(/^[\w ]+$/) == null) {
            txtName.value = txtName.value.replace(/[\W]/g, '');
        }
    }
</script>
</head>
<body>
<div>
<b>Enter Text:</b><input id="txtName"  type="text" onkeyup="javascript:RemoveSpecialChar(this)" />
</div>
</body>
</html>

Live Demo:

Remove Special Characters from the Textbox using JavaScript
Enter Text:

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