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<?php $str = 'http://asak.pl/asdask//asdadk//asd.pdf'; $regexp = '/[^:/]{2}(\/\/+)/'; echo preg_replace($regexp, '/', $str);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: preg_replace(): Unknown modifier ']' in /in/uflOP on line 5

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