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  1. <?php
  2.  
  3. echo preg_replace('{[\{]}', 'foo', '{ { { { { {');
  4.  
  5. echo preg_replace('[[{]]', 'foo', '{ { { { { {');
Success #stdin #stdout 0.02s 24360KB
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Standard input is empty
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foo foo foo foo foo foofoo foo foo foo foo foo
https://ideone.com/DuJOY3
language:
PHP (php 7.3.5)
created:
3 years ago
visibility:
public

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