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<?php $m = ' <div>A</div> <di>B</div> <div>C</div> <div>A</div> <div>B</div> <div>C</div> <div>A</div> <div>B</div> <div>interference</div> <div>C</div> <div>A</div> <di>B</div> <div>C</div> <div>A</div> <div>B</div> <div>interference</div> <div>more interference</div> <div>C</div> '; //want to get the first, second and third //more like i want to get just the ones with no interference (capture the one with just 3 div) foreach (preg_split('/\n/', $m) as $line) { $pattern = '/<.*>(A)<.*> <.*>(B)<.*> <.*>(C)<.*>/'; var_dump( preg_replace($pattern, '$1$2 $3', $line)); }
Output for git.master, git.master_jit, rfc.property-hooks
string(0) "" string(4) "AB C" string(4) "AB C" string(0) "" string(4) "AB C" string(0) "" string(4) "AB C" string(0) "" string(4) "AB C" string(0) ""

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