This script function will help you to validate a string / character for alphanumeric values.
Features
a)The javascript function will return false when the string that is passed contains character other than alphanumeric.
b)It returns true on correct validation.
c)Just copy the code in to your page and use it.
Preview
Alpha numeric Testing :
Enter a character / string and test it
Code
<!-- Script by hscripts.com -->
<script language=javascript>
function alphanumeric(alphane)
{
var numaric = alphane;
for(var j=0; j<numaric.length; j++)
{
var alphaa = numaric.charAt(j);
var hh = alphaa.charCodeAt(0);
if((hh > 47 && hh<58) || (hh > 64 && hh<91) || (hh > 96 && hh<123))
{
}
else {
alert("Your Alpha Numeric Test Failed");
return false;
}
}
alert("Your Alpha Numeric Test Passed");
return true;
}
</script>
<!-- Script by hscripts.com -->
Here we have explained with a form
a)Creating the form using following HTML code
<form name="test" onSubmit="return alphanumeric(test.mailf.value)">
<input name=mailf type=text>
<input type=submit value=validate>
</form>
b)The alphanumeric() function is triggered on submission of the form.
c)Just copy the javascript code and use it for free.
License
- This javascript (misspelled as java script)/HTML code is given under GPL License
- i.e. Free use for those who use it as it is.
- Free, if your modification does not remove our copyright information and links.
- Detailed License information can be found here
- You can purchase the script if your requirements does not meet GPL License terms.
