Monday, May 11, 2009

check only for numbers in JavaScript

This code will show you how to check only for numbers in JavaScript.


<script type="text/javascript">

var input = '112334';
var vali_regex = /^[0-9]+$/;

if(input.match(vali_regex))
{
alert('This is a number');
}
else
{
alert('Not a number');
}
</script>

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