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  1. <?php
  2.  
  3. $find_number = '3';
  4. $string_to_search = '1,3,124,12';
  5. if (preg_match('/(?<!\d)'.$find_number.'(?!\d)/', $string_to_search)) {
  6. 	echo "match!";
  7. }
  8.  
  9. $find_number = '4';
  10. $string_to_search = '1,3,124,12';
  11. if (preg_match('/(?<!\d)'.$find_number.'(?!\d)/', $string_to_search)) {
  12. 	echo "match!";
  13. }
Success #stdin #stdout 0s 52488KB
comments (?)
stdin 
Standard input is empty
stdout 
match!
https://ideone.com/2QEFE8
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
secret

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