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  1. <?php
  2.  
  3. $text1 = 'abc.def';
  4. $text2 = 'abc\def';
  5. $reg1 = '/\./';
  6. $reg2 = '/\\\\/';
  7. if (preg_match($reg1, $text1)) {
  8.     echo "Точку находит\n";
  9. } else {
  10.     echo "Точку не находит\n";
  11. }
  12.  
  13. if (preg_match($reg2, $text2)) {
  14. 	echo "Бекслеш находит\n";
  15. } else {
  16.     echo "Бекслеш не находит\n";
  17. }
  18.  
Success #stdin #stdout 0.02s 52432KB
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stdin
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Standard input is empty
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Точку находит
Бекслеш находит
https://ideone.com/Racvzp
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
public

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