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  1. <?php
  2.  
  3. $string = "This is {test} for [a]{test2} for {test3}.";
  4. $regex      = '/\[[^]]*]\{[^}]+}(*SKIP)(*F)|\{[^}]+}/';
  5. echo preg_match_all($regex, $string, $matches) . "\n";
  6. print_r($matches[0]);
Success #stdin #stdout 0s 82944KB
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stdin
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Standard input is empty
stdout
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2
Array
(
    [0] => {test}
    [1] => {test3}
)
https://ideone.com/MP5yN0
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
secret

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