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Mar 20th, 2018
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  1. var email = prompt("Введите email", );
  2. var re = /^[0-9a-z-\.]+\@[0-9a-z-]{2,}\.[a-z]{2,}$/i;
  3. var a = email.match(re);
  4. if (!a){
  5. alert('Введите правильный email');
  6. }
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