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<?php $string = '12jan'; var_export( preg_split( '~(\d+)~', $string, 0, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE ) ); echo "\n---\n"; var_export( preg_split( '~(?:\d+|\D+)\K~', $string, 0, PREG_SPLIT_NO_EMPTY ) );
Output for git.master, git.master_jit, rfc.property-hooks
array ( 0 => '12', 1 => 'jan', ) --- array ( 0 => '12', 1 => 'jan', )

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