Introduction:
Here I will explain JQuery regular expression to allow special characters, spaces and alphanumeric text or regular expression to allow special characters, spaces and alphanumeric characters in JQuery.
Description:
In previous articles I explained jQuery regular expression to validate url without http(s), regular expression to validate phone number in jquery, regular expression to replace all special characters with spaces in c#, regex email validation in c# and many articles relating to validation, JQuery. Now I will explain regular expression to allow special characters and spaces.
In previous articles I explained jQuery regular expression to validate url without http(s), regular expression to validate phone number in jquery, regular expression to replace all special characters with spaces in c#, regex email validation in c# and many articles relating to validation, JQuery. Now I will explain regular expression to allow special characters and spaces.
To
allow special characters and spaces we need to write the regular expression
like as shown below
var re = /^[ A-Za-z0-9_@./#&+-]*$/
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If
you want see it in complete example need to write the code like as shown below
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Regex to allow special characters, spaces and alphanumeric</title>
<script type="text/javascript" src="http://code.jquery.com/jquery-1.8.2.js"></script>
<script type="text/javascript">
$(function() {
$('#btnValidate').click(function() {
var txt = $('#txtdesc').val();
var re = /^[ A-Za-z0-9_@./#&+-]*$/
if (re.test(txt)) {
alert('Valid
Text')
}
else {
alert('Please
Enter Valid Text');
return false;
}
})
})
</script>
</head>
<body>
<div>
Enter Text :<input type="text" id="txtdesc" />
<input type="button" id="btnValidate" value="Validate" />
</div>
</body>
</html>
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Live
Demo
If you want to test enter special characters like !~
Enter Text :
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8 comments :
very nice post!
Suresh i have one problem i have to take input from barcode scanner but the textbox should be capable to input multiple barcode values with comma as a separator please help me in this regard
thanks in advance
how to write regex to avoid consecutive occurences of special charchers, like '...', '*-', etc?
Give your Valuable Comments
jQuery regular expression???
isn't it Javascript?
Thanks a lot...I used only the expression...with Regex in c#
Awesome post.Great to visit
Great... It works fine
its not working for square bracket ]
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