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<?php $text = "TEST#%_'JanE,.-_doc30)/||\.pdf$@!3)"; $text = preg_replace(array('/[^\dA-Za-z]+(?=.*\.[^.]+$)/', '/_\./', '/(\.[\dA-Za-z]+).*$/'), array('_', '.', '$1'), $text); echo $text;
Output for git.master, git.master_jit, rfc.property-hooks
TEST_JanE_doc30.pdf

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