$find="this string is my find";
$string='替換掉了';//將超鏈接替換成的內容
echo ereg_replace(']*)>([^<]*'.$find.'[^>]*)','\2',$content);
preg_replace(']*)>([^<]*)','\2',$content);
preg_replace("]*>|","",$content);
//方法一
preg_match_all('/<(a|a)[s]{0,1}[w=":()]*>[nrn]*(check user)[nrn]*/i',$string,$matches);
//方法二
preg_match_all('/check user/i',$string,$matches);
print_r($matches);
//方法三
preg_match_all('/]*>[^<]*/i',$string,$matches);
print_r($matches);
//方法四
preg_match_all('/check user/is',$str,$arr);
print_r($arr);
//方法五
preg_match_all('/check user/is',$str,$arr);
print_r($arr);
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