JavaScript regex validate Character
JavaScript regex validate Character
View Answers
May 12, 2012 at 1:48 PM
<html>
<head>
<title>Character validation using regex</title>
<script type="text/javascript">
function validate() {
var name = document.getElementById("name").value;
var pattern = /\W/;
if (pattern.test(name)) {
alert("Inputed Character value : "+name);
return true;
}
alert("It is not valid character !");
return false;
}
</script>
</head>
<body>
<h2>Validating Character..</h2>
Enter Any character value :
<input type="text" name="name" id="name" />
<input type="submit" value="Check" onclick="validate();" />
</body>
</html>
May 12, 2012 at 1:49 PM
The above example validate character value by using regular expression- /\W/
Here /../(forward slashes) is used to quote your regular expression.
\W shows the special character.
test() method takes one argument and check that to the pattern.
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