Cut & Paste Advanced Email Check

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Cut & Paste Advanced Email Check

Credit: JavaScript Kit

Description: A script that closely examines the content of a form box to ensure that the user entered a valid email address. If not, the form submition is canceled, and the surfer prompted to re-enter a valid address. The script makes the following assumptions regarding what a valid email address is:

-Contains a least one character procedding the "@"
-Contains a "@" following the procedding character(s)
-Contains at least one character following the "@", followed by a dot (.), followed by either a two character or three character string (a two character country code or the standard three character US code, such as com, edu etc)

Note that this script requires NS 4+ or IE 4+ to function- all other browsers will simply not participate in the form validation process.

Example:

Directions: Simply cut and paste the below code into the <body> section of your page. It
contains a form with one box that is checked for "email validity". You can add in more form elements into the form, as you would with any other form.

<form name="validation" onSubmit="return checkbae()"> Please input a valid email address:<br /> <input type="text" size=18 name="emailcheck"> <input type="submit" value="Submit"> </form> <script language="JavaScript1.2"> //Advanced Email Check credit- //By JavaScript Kit (http://www.javascriptkit.com) //Over 200+ free scripts here! var testresults function checkemail(){ var str=document.validation.emailcheck.value var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i if (filter.test(str)) testresults=true else{ alert("Please input a valid email address!") testresults=false } return (testresults) } </script> <script> function checkbae(){ if (document.layers||document.getElementById||document.all) return checkemail() else return true } </script> <p align="center">This free script provided by<br /> <a href="http://javascriptkit.com">JavaScript Kit</a></p>

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