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<?php $i="z";preg_match("%([!#-&\(-+-0-9=@^-`~])|([EIO-RT-UWY[-]eio-rt-uwy{-}])|([\"':-;ADF-HJ-LSadf-hj-ls])|([,.-/<>-?B-CM-NVXZb-cm-nvxz])%",$i,$m);echo array_flip($m)[$i];
Output for rfc.property-hooks, git.master, git.master_jit
4

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