JavaScript - Filtering the Numbers
Asked By Murugan V
30-Aug-10 07:16 AM
Hi All,
I want to filter the numbers from the string variable using javascript.
Lets Assume the value is 01-20/ABC-3
I want to extract the values as 01203.
I was trying to replace the string and special characters with empty space, which did not worked out.
If anybody had face the same issue, please share your thoughts/suggestions.
Thanks in Advance.
Sagar P replied to Murugan V
You can use Regular Exp for same like;
<input type="text" id="product13" name="product13" onblur="alert(this.id.replace(/\D/g,''));">
Replaces all the non-digit characters in the id with an empty string (essentially nothing) but returns all the digits in the id:
id="product13A13" ==> 1313
Also you can try something like this;
function somefunc(obj)
{
return obj.id.match(/\d+/)[0];
}
http://bytes.com/topic/javascript/answers/169997-extract-number-string-get-13-product13
Super Man replied to Murugan V
// in this
enter value
<input type="text" id="product13" name="product13" onkeyup ="isNumberKey()";">
// here it
will show output
<asp:TextBox ID="TextBox1"
runat="server"></asp:TextBox>
Script:
<script type="text/javascript">
function
isNumberKey() {
var i =
document.getElementById("product13").value.replace(/\D/g,
'');
document.getElementById("TextBox1").value = i;
}
</script>
Murugan V replied to Super Man

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