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  1. <?php
  2.  
  3. error_reporting(-1);
  4.  
  5. $regexp = '/^[ ]*(([+][ ]?7)|8)(([- ()])*[0-9]){10}$/';
  6. $number = "+ 7 999 123 4567";
  7.  
  8. if (preg_match($regexp, $number)){
  9. 	echo "Номер введён верно\n";
  10.  
  11. 	$regexp = '/[- ()]+/';
  12. 	$replacement = '';
  13.  
  14. 	$number = preg_replace($regexp, $replacement, $number);
  15.  
  16. 	echo "Единый формат: ";
  17. 	echo preg_replace('/[ ]*[+]7/', '8', $number);
  18. } 
  19.  
Success #stdin #stdout 0s 83264KB
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Standard input is empty
stdout
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Номер введён верно
Единый формат: 89991234567
https://ideone.com/KJxmSg
language:
PHP (php 7.3.5)
created:
6 years ago
visibility:
public

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