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<?php $vals = array( "[[aa]]", "/\\/\\", "&", "$^", ); $rx = '/^[-+=_.:;!?@#$%&*<>^"\'\\\\\\/\\(\\)\\[\\]\\{\\}a-z0-9]+$/i'; foreach ($vals as $v) { var_dump(preg_match($rx, $v)); }
Output for git.master, git.master_jit, rfc.property-hooks
int(1) int(1) int(1) int(1)

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