preg: how to write a preg pattern to get domain name from an email?

Question

From an email address like something@gmail.com I want to fetch domain name gmail.com. i want to use that pattern on textbox value in Javascript.

Answer 1

You can do this

var extract_company_name = function(email){
  var temp = email.replace(/.*@/, '').split('.');
    return temp[temp.length - 2];
}
extract_company_name(email)

this will fetch the domain from any email.

code in jsbin

Answer 2

var email = 'test@gmail.com';
var domain = email.replace(/.*@/, "").split('.')[0];
console.log(domain); // gmail

Answer 3

You can replace everything up to and including the @ symbol to get the domain. In Javascript:

var email = 'test@gmail.com';
var domain = email.replace(/.*@/, "");
alert(domain);

Answer 4

I have just experience a need to implement this and came up with the solution that combines most of already mentioned techniques:

var email = "test@test@gmail.com";
var email_string_array = email.split("@");
var domain_string_location = email_string_array.length -1;
var final_domain = email_string_array[domain_string_location];

So if email has multiple @ characters then you just need to split email string by "@" and calculate how many elements are there in new created array then subtract 1 from it and you can take right element from array with that number.

Here is the jsfiddle: http://jsfiddle.net/47yqn/

It has show 100% success for me!

Answer 5

You can do this to get domain name from url,email,website,with http started,only domain name

var str=inputAddress;
      var patt1 = "(http://|https://|ftp://|www.|[a-z0-9._%+-]+@)([^/\r\n]+)(/[^\r\n]*)?";
var result = str.match(patt1);
var domain=result===null?str:result[2];
return domain.toString().startsWith("www.")?domain.toString().slice(4):domain;

Answer 6

I would try

\b.*@([A-Za-z0-9.-]+\.[A-Za-z]{2,4})\b

Or maybe tune it a little replacing \bs by ^ and $. With this you can match any domain with A-Z, a-z and 0-9 characters.