3v4l.org

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<?php $content = 'singleline'; $content = preg_quote($content); $output = '<p>[@address|singleline]</p>'; $output = preg_replace('%(?<=@address|.)'.$content.'(?=[^\]\[]*\])%', "", $output); echo $output;

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44.28 ms | 402 KiB | 5 Q