Meta keyword and description REG EX issue

Im writing a program to pull the meta info from websites.

I need to write some regex to pull the text in the between the content tags.

$find = "<meta\s+name=['\"]??keywords['\"]??\s+content=['\"]??(.+)['\"]??\s*\/?>";

This works ok for meta keywords written like so:

开发者_StackOverflow社区

<meta name="keywords" content="keyword, keyword, keyword" /> or like so
<meta name="keywords" content="keyword, keyword, keyword">

BuT I would like to flip it round so it can find the text inbetween the content tags in this format:

<meta content="keyword, keyword, keyword" name="keywords" /> or like so
<meta content="keyword, keyword, keyword" name="keywords" >

Anyone help? Cheers

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For this purpose you could also use get_meta_tags() - a builtin PHP function which extracts <meta> tag attributes from websites (or already downloaded files):

$tags = get_meta_tags('http://www.example.com/');
print_r($tags);

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Try this:

<meta[^>]*content="(?<keyword>[^"]*)"[^>]*/?>

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Result:

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You can also use PHP DOm

$doc=new DOMDocument();
$doc->loadHTML($htmlcontent);
$xpath= new DOMXPath($doc);
$nodelist=$xpath->query('//meta[@name='keywords']/@content');
foreach($nodelist as $node)
  echo $node->nodeValue;

Using regexp works most of the time but it can not work safely on any HTML content.