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  1. <?php
  2.  
  3. $tests = [
  4. 	'dasdas № 11-1111 dsasda 22 - 2222',
  5. 	'1 - 22 no match'
  6. ];
  7. $rex = '#(№\s*)?[\d]{2}\s*-\s*[\d]{4}#u';
  8.  
  9. foreach($tests as $str) {
  10. 	$match = [];
  11. 	$ok = preg_match_all($rex, $str, $match);
  12. 	echo $str . ' => ' . (
  13. 		$ok
  14. 			? print_r($match[0], true)
  15. 			: '[NO MATCH]'
  16. 		);
  17. }
  18.  
Success #stdin #stdout 0.01s 82944KB
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stdin
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Standard input is empty
stdout
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dasdas № 11-1111 dsasda 22 - 2222 => Array
(
    [0] => № 11-1111
    [1] => 22 - 2222
)
1 - 22 no match => [NO MATCH]
https://ideone.com/E6eV6L
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
public

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