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<?php $subject = "http://directory.google.com/Category/Subcategory/Another_Subcategory"; $pattern = "directory.google.com/[A-Z][a-zA-Z_/]+$"; preg_match_all($pattern, $subject, $matches, PREG_PATTERN_ORDER); print_r($matches);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: preg_match_all(): Delimiter must not be alphanumeric, backslash, or NUL in /in/ArdQ4 on line 4

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