HIOX FREE JavaSCRIPT - alphanumeric validation string, alpha numeric check using JS

About

This script function will help you to validate string / character for alphanumeric values.

Features

a)The javascript function will return false when the string passed contains charcter other then 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	{
			 return false;
		  }
		}
 return true;
}
</script>
<!-- Script by hscripts.com -->

Release Date - 15-12-2004

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Usage

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.

Alphanumeric Validation Function