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Code for validating email address

Now the problem is that, in case of multiple comma delimited addresses, one or two of them might be of the wrong email address format. Send(mail); Now the "to Address" string that my function recieves might contain a single address, or it might have many, comma delimited addresses. String email = "[email protected];foo#bar.com"; String expression = @"\w ([- .']\w )*@\w ([-.]\w )*\.\w ([-.]\w )*"; Regex regex = new Regex(expression); String[] emails = email.To get a valid email id we use a regular expression /^\w ([\.-]?

My problem is that the email will not be delivered to ALL the addresses in the comma delimited string, even though only SOME of the addresses are of the wrong format.

Also, I have no control over the design, or on how that address string comes to my function, I can't add the email validation in the UI, so I am helpless there...

In this page we have discussed how to validate an email using Java Script : An email is a string (a subset of ASCII characters) separated into two parts by @ symbol. ~ characters are legal in the local part of an e-mail address but in the above regular expression those characters are filtered out. It begins with at least one or more word characters including the underscore, equivalent to [A-Za-z0-9_].

a "personal_info" and a domain, that is [email protected] The length of the personal_info part may be up to 64 characters long and domain name may be up to 253 characters. You can modify or rewrite the said regular expression.

Mistyping an email address in that form, of course, and then have your browser remember that incorrect address for all the signup forms to come.

If you want to validate email addresses entered into your form but avoid complicated tinkering and scripts, HTML5 lets you rely on the browser — without effort, and without turning to Java Script.

For other browsers and backup, you can still validate email addresses using PHP, for example.

Browsers that support HTML5 email address validation include Safari 5 , Google Chrome 6 , Mozilla Firefox 4 and Opera 10 .

The email’s domain name must start with “A-Za-z0-9-“, follow by first level Tld (.com, .net) “.[A-Za-z0-9]” and optional follow by a second level Tld (au, my) “\.[A-Za-z]”, where second level Tld must start with a dot “.” and length must equal or more than 2 characters.

Here’s a Java example to show you how to use regex to validate email address. [email protected], [email protected], [email protected] [email protected], [email protected], [email protected] 3.

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