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分享$p = array('/(<).*?(>)/', '/(\[).*?(\])/');
$thread['shortmsg'] = ' <font color=black>'.preg_replace('/\ $p/is','\1\2',$thread[message]).' </font>';$p = array('/(<).*?(>)/', '/(\[).*?(\])/');
$a = preg_replace($p, '\1\2', '<abc><abc哈哈哈>[ads][][asdasdasd]<但是>');
print_r($a);
echo "\n";
$p = array('/(<).*?(>)/', '/(\[).*?(\])/');
$thread['shortmsg'] = ' <font color=black>ffg</font>';
$a = preg_replace($p, '\1\2', $thread['shortmsg']);
print_r($a);
echo "\n";