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  1. <?php
  2.  
  3. $tests = [
  4.   "0000 0000 0000 0000 00/0000 000",   // válido
  5.   "0000000000000000 00/0000 000",      // válido
  6.   "00000000 00000000 00/0000 000",     // válido
  7.   "0000000 000000000 00/0000 000",     // inválido: espaços errados
  8.   "0000 000 0000 0000 00/0000 000",    // inválido: tamanho da sequência errada
  9.   "000000000000000 00/0000 000",       // inválido: tamanho da sequência errada
  10. ];
  11.  
  12. foreach($tests as $test)
  13. {
  14.   if (preg_match("/^((\d{4}\s?){3}\d{4}) (\d{2}\/\d{4}) (\d{3})$/", $test, $matches))
  15.   {
  16.     print_r($matches);
  17.   }
  18. }
Success #stdin #stdout 0.04s 23748KB
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stdin
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Standard input is empty
stdout
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Array
(
    [0] => 0000 0000 0000 0000 00/0000 000
    [1] => 0000 0000 0000 0000
    [2] => 0000 
    [3] => 00/0000
    [4] => 000
)
Array
(
    [0] => 0000000000000000 00/0000 000
    [1] => 0000000000000000
    [2] => 0000
    [3] => 00/0000
    [4] => 000
)
Array
(
    [0] => 00000000 00000000 00/0000 000
    [1] => 00000000 00000000
    [2] => 0000
    [3] => 00/0000
    [4] => 000
)
https://ideone.com/23RRBP
language:
PHP (php 7.3.5)
created:
6 years ago
visibility:
secret

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