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Feb 18th, 2019
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  1. function checkMail(email){
  2. var filter = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
  3. if (filter.test(email)) {
  4. return true;
  5. }
  6. return false;
  7. }
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