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<?php $str = '1_10_10-Einzel.pdf'; var_export( preg_split('/[-_.]/', $str) ); echo "\n---\n"; var_export( preg_split('/-|_|\./', $str) ); echo "\n---\n"; var_export( preg_split('%[-_.]+%', $str) ); echo "\n---\n"; var_export( preg_split("/[-_.]+/", $str, 0, PREG_SPLIT_NO_EMPTY) ); echo "\n---\n"; var_export( preg_split('@[-_.]+@', $str, flags: PREG_SPLIT_NO_EMPTY) ); echo "\n---\n"; $args = [ 'pattern' => '#[-_.]+#', 'subject' => $str, 'flags' => PREG_SPLIT_NO_EMPTY, ]; var_export( preg_split(...$args) );
Output for git.master_jit, git.master
array ( 0 => '1', 1 => '10', 2 => '10', 3 => 'Einzel', 4 => 'pdf', ) --- array ( 0 => '1', 1 => '10', 2 => '10', 3 => 'Einzel', 4 => 'pdf', ) --- array ( 0 => '1', 1 => '10', 2 => '10', 3 => 'Einzel', 4 => 'pdf', ) --- array ( 0 => '1', 1 => '10', 2 => '10', 3 => 'Einzel', 4 => 'pdf', ) --- array ( 0 => '1', 1 => '10', 2 => '10', 3 => 'Einzel', 4 => 'pdf', ) --- array ( 0 => '1', 1 => '10', 2 => '10', 3 => 'Einzel', 4 => 'pdf', )

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