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  1. <?php
  2. $results = array();
  3. $string = 'asdfasdf {_LINK_2_} asdf {_LINK_1_}{_LINK_3_} asdf{_LINK_8_}';
  4. $exp = '/(?<={_LINK_)[0-9]+(?=_})/';
  5. $find = preg_match_all($exp, $string, $results);
  6. print_r($results);
  7. ?>
Success #stdin #stdout 0.01s 20520KB
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stdin
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Standard input is empty
stdout
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Array
(
    [0] => Array
        (
            [0] => 2
            [1] => 1
            [2] => 3
            [3] => 8
        )

)
https://ideone.com/vb5kt5
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
public

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