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  1. <?php
  2.  
  3. error_reporting (-1);
  4.  
  5. $text = "rhhRj 12 4.57 tThr";
  6. $regexp = "/^\s+[0-9]+/";
  7.  
  8. $matches = array();
  9.  
  10. if (preg_match($regexp, $text, $matches)) {
  11. 	echo "Число есть в тексте: {$matches[0]}\n";
  12. } else {
  13. 	echo "Числа не обнаружено";
  14. }
Success #stdin #stdout 0.01s 20568KB
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Standard input is empty
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Числа не обнаружено
https://ideone.com/xaRkTs
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
public

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