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Jun 18th, 2019
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  1. function valid_email(email){
  2.  
  3.    var pattern = /^[a-z0-9_.-]+@([a-z0-9]+\.)+[a-z]{2,6}$/i;
  4.    if(pattern.test(email)){
  5.       alert('ок');
  6.    }
  7.    else{
  8.       alert('плохо');
  9.    }
  10.    
  11. }
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