EMail Address Verification Javascript

Javascripts > Javascript Forms > EMail Address Verification

Script Title: EMail Address Verification

Description: If you ask for the e-mail address to the user in any textfield on a form, this script verifies whether the text entered in the field is in the format user@domain.com

Example: Available

Copy the following code into your <HEAD></HEAD> tags.

<script language="JavaScript"> var result function checkemail(){ var str=document.mailcheck.emailaddress.value var filter=/^.+@.+\..{2,3}$/ if (filter.test(str)) result=true else { alert("Please input a valid email address!") result=false } return (result) } </script> <script> function checkall(){ if (document.layers||document.all) return checkemail() else return true } </script>

Copy the following code INTO your <BODY> tag.

onSubmit="return checkall();"

Copy the following code between the <BODY></BODY> tags of your html page.

<form name="mailcheck" onSubmit="return checkall()"> Please input a valid email address:<br> <input type="text" size=18 name="emailaddress"> <input type="submit" value="Submit"> </form>

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