Regular expression matching, what to do with

Regular expression Matching
Want to match this format with regular expressions

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$con = file_get_contents ("http://17173.com");
  
$preg = ' #
(.*)#';
  

  
Print_r ($arr [1]);
  
foreach ($arr [1] as $id = + $v) {
  
  echo "". $v. " ". $arr [2][$id]."
";
    
}
  
?>

The match result is nothing, but this page is linked in this format, solving

------Solution--------------------
First target= "_blank" and the above given is not in line with, in the end is Which?

and then Echo $con;

Identify the content that is expected
Pay attention to case and line breaks-your regular case is fixed, the dot is not a newline
------Solution--------------------
Preg_match_all ('/

(.*?) <\/a>/i ', $str, $matches);
Var_dump ($matches [1]);

Your problem is: People's website content is target=_blank such, and your target= "_blank" is this, more quotes, not match.

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