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  1. <?php
  2.  
  3. $re = '/(\*[A-Z0-9]{2})(.*?)(?=(?!\1)\*[A-Z0-9]{2}|$)/';
  4. $str = '*01the title*35the author*A7other useless infos*AEother useful infos*AEsome delimiters can be there multiple times';
  5. $res = [];
  6. if (preg_match_all($re, $str, $m, PREG_SET_ORDER, 0)) {
  7. 	foreach ($m as $kvp) {
  8. 		$tmp = preg_split('~\*[A-Z0-9]+~', $kvp[2]);
  9. 		if (count($tmp) > 1) {
  10. 			$res[$kvp[1]] = $tmp;
  11. 		} else {
  12. 			$res[$kvp[1]] = $kvp[2];
  13. 		}
  14. 	}
  15. 	print_r($res);
  16. }
  17.  
Success #stdin #stdout 0s 82624KB
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stdin
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Standard input is empty
stdout
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Array
(
    [*01] => the title
    [*35] => the author
    [*A7] => other useless infos
    [*AE] => Array
        (
            [0] => other useful infos
            [1] => some delimiters can be there multiple times
        )

)
https://ideone.com/ogx0zL
language:
PHP (php 7.3.5)
created:
6 years ago
visibility:
secret

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