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<?php $target = "abcwa"; echo preg_replace('/./', 'w:$0', $target); echo "\n"; echo preg_replace('/(?=.)/', 'w:', $target);
Output for git.master, git.master_jit, rfc.property-hooks
w:aw:bw:cw:ww:a w:aw:bw:cw:ww:a

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