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<?php $street = 'Hans-Wurst-Straße 1/2'; $streetNo = '1/2'; var_dump(preg_match('/('.$streetNo.')$/i', $street));
Output for git.master, git.master_jit, rfc.property-hooks
Warning: preg_match(): Unknown modifier '2' in /in/m7l3O on line 6 bool(false)

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