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Extract Email Addresses

Description
Visitors sometimes include their email address inside the message field when they fill out forms. To deal with this, this script parses through the string and uses a Regular Expression to find then return a comma-separated list of the valid email addresses it finds....View A Script Demo


Do you find it confusing setting up these script?
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
<HTML>
<HEAD>
<META NAME="Generator" CONTENT="TextPad 4.4">
<LINK href="general.css" rel="stylesheet" type="text/css">
<SCRIPT LANGUAGE="JavaScript">
<!-- Original:  Ronnie T. Moore, Editor -->

<!-- Begin
function findEmailAddresses(StrObj) {
var separateEmailsBy = ", ";
var email = "<none>"; // if no match, use this
var emailsArray = StrObj.match(/([a-zA-Z0-9._-]+@[a-zA-Z0-9._-]+\.[a-zA-Z0-9._-]+)/gi);
if (emailsArray) {
email = "";
for (var i = 0; i < emailsArray.length; i++) {
if (i != 0) email += separateEmailsBy;
email += emailsArray[i];
      }
   }
return email;
}
//  End -->
</script>

</HEAD>

<BODY Background=../graphics/grayback.jpg>
<center><BR><BR>
(For this demo, enter some text in the box and then click out of the field.  If you included<br>
one or more valid email addresses, they will be displayed in the Email field below the box.)<BR>
<form><textarea name=comments rows=10 cols=50 onBlur="this.form.email.value=findEmailAddresses(this.value);"></textarea>
<br>
Email:  <input type=text name=email>
</form>

</center>
</BODY>
</HTML>
 

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