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<?php $examples = array( $class = "am\xC3\xA9lie", $class = "am\x65\xCC\x81lie", ); foreach ($examples as $class) { echo $class ." => "; $class = preg_replace('![^abcdefghijklmnopqrstuvwxyz0-9-_]+!s', '', $class); echo $class ."\n"; }
Output for git.master, git.master_jit, rfc.property-hooks
amélie => amlie amélie => amelie

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