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Sep 29th, 2016
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  1. alert("Email invalido");
  2. email.focus();
  3.  
  4. } else {
  5. var usuario = email.value.substring(0, email.value.indexOf("@"));
  6. var dominio = email.value.substring(email.value.indexOf("@") + 1, campo.value.length);
  7. if (!((usuario.length >= 1) &&
  8. (dominio.length >= 3) &&
  9. (usuario.search("@") == -1) &&
  10. (dominio.search("@") == -1) &&
  11. (usuario.search(" ") == -1) &&
  12. (dominio.search(" ") == -1) &&
  13. (dominio.search(".") == -1) &&
  14. (dominio.indexOf(".") == -1) &&
  15. (dominio.lastIndexOf(".") < dominio.length - 1))) {
  16.  
  17. alert("E-mail invalido");
  18.  
  19. email.focus();
  20. return false;
  21. }
  22.  
  23.  
  24.  
  25. }
  26. }
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