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Feb 14th, 2019
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  1. $exemplo1=preg_match("[expressão]" , '/*João Paulo/');
  2. $exemplo2 = preg_match("[expressão]" , 'joao2@hotmail.com-+');
  3.  
  4. $echo = $exemplo1 // João Paulo
  5. echo = $exemplo2 // joao2@hotmail.com
  6.  
  7. $email = "email@email.com";
  8. $nome = "João Silva";
  9. $regex_nome = '/^[a-zA-ZãÃáÁàÀêÊéÉèÈíÍìÌôÔõÕóÓòÒúÚùÙûÛçǺª' ']+$/';
  10. $regex_email = '/^[_a-z0-9-]+(.[_a-z0-9-]+)*@[a-z0-9-]+(.[a-z0-9-]+)*(.[a-z]{2,3})$/';
  11. $email = (preg_match($regex_email, $email))?$email:"email inválido";
  12. $nome = (preg_match($regex_nome, $nome))?$nome:"nome inválido";
  13.  
  14. var_dump($email);
  15. var_dump($nome);
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