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email validation

/ Published in: JavaScript
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Use a regex to check the email address input

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Copy this code and paste it in your HTML 
  1. function checkEmail(email) {
  2.     var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
  3.     if (!reg.test(email)) return false;
  4.     return true;
  5. }

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