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<?php $operators = [">0", ">=1", "==12", "<9", "<=1", "!=4"]; print_r(array_map(function($v) { return preg_replace('/[^\D]/', '', $v); }, $operators));
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => > [1] => >= [2] => == [3] => < [4] => <= [5] => != )

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