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<?php $string = '  love@outerbanks.org  '; preg_match('/^\x{c2a0}*(?.*)\x{c2a0}*$/u', $string, $out); var_dump($out);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: preg_match(): Compilation failed: unrecognized character after (? or (?- at offset 12 in /in/4nV7B on line 4 NULL

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