这是个获取文章内容中所有链接的php正则表达式
$str ="";
代码如下 | 复制代码 |
$reg = "[^"']*))|(? |
//下面这个实例是获取内容中域名正则表达式
代码如下 | 复制代码 |
function get_domain($url){ $pattern = "/[w-]+.(com|net|org|gov|cc|biz|info|cn)(.(cn|hk))*/"; preg_match($pattern, $url, $matches); if(count($matches) > 0) { return $matches[0]; }else{ $rs = parse_url($url); $main_url = $rs["host"]; if(!strcmp(long2ip(sprintf("%u",ip2long($main_url))),$main_url)) { return $main_url; }else{ $arr = explode(".",$main_url); $count=count($arr); $endArr = array("com","net","org","3322");//com.cn net.cn 等情况 if (in_array($arr[$count-2],$endArr)){ $domain = $arr[$count-3].".".$arr[$count-2].".".$arr[$count-1]; }else{ $domain = $arr[$count-2].".".$arr[$count-1]; } return $domain; } } } |
//实例
$str ="jfkdlajfdafdjak;www.111cn.net";
echo get_domain($str)
//得出值为111cn.net

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