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<?php $html = "<div> <img src='/logo.png'>[:ru]Привет мир[:en]Hello World[:] </div>"; echo preg_replace_callback('#\[:.*\[:\]#isuU', function ($matches) { print_r($matches); return '+'; }, $html);
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Array ( [0] => [:ru]Привет мир[:en]Hello World[:] ) <div> <img src='/logo.png'>+ </div>

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177.84 ms | 404 KiB | 186 Q