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<?php $keywords = "val"; preg_match_all('/\w+(?=;|$)/', $keywords, $matches); echo implode(' OR ', $matches[0]) . "\n"; $keywords = "val;"; preg_match_all('/\w+(?=;|$)/', $keywords, $matches); echo implode(' OR ', $matches[0]) . "\n"; $keywords = "val1; val2;"; preg_match_all('/\w+(?=;|$)/', $keywords, $matches); echo implode(' OR ', $matches[0]) . "\n"; $keywords = "val1; val2"; preg_match_all('/\w+(?=;|$)/', $keywords, $matches); echo implode(' OR ', $matches[0]) . "\n";
Output for git.master, git.master_jit, rfc.property-hooks
val val val1 OR val2 val1 OR val2

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