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davidalves1 / formatar_cnpj_cpf.md
Last active October 13, 2025 16:10
Função para formatar CNPJ e CPF, disponível em PHP e JS

PHP

function formatCnpjCpf($value)
{
  $CPF_LENGTH = 11;
  $cnpj_cpf = preg_replace("/\D/", '', $value);
  
  if (strlen($cnpj_cpf) === $CPF_LENGTH) {
    return preg_replace("/(\d{3})(\d{3})(\d{3})(\d{2})/", "\$1.\$2.\$3-\$4", $cnpj_cpf);
  }