How to validate multiple emails using Regex?

Question

After a quick research on the Stackoverflow, I wasn\'t able to find any solution for the multiple email validation using regex (split JS function is not applicable, but some

Answer 1

var email = "[A-Za-z0-9\._%-]+@[A-Za-z0-9\.-]+\.[A-Za-z]{2,4}";
var re = new RegExp('^'+email+'(;\\n*'+email+')*;?$');

[ "john@smith.com;john@smith.com",
  "john@smith.com;john@smith.com;",
  "john@smith.com;\njohn@smith.com;\njjoh@smith.com",
  "john@smith.com jackob@smith.com",
  "jackob@smith.com,",
  "daniels@mail.com\nsmth@mail.com" ].map(function(str){
    return re.test(str);
}); // [true, true, true, false, false, false]