Convert text URLs or Hyperlinks to clickable links

Here's a PHP code that can parse text URLs or Hyperlinks into a clickable link. This is useful when displaying text contents with inline links written along.

Some of the URLs this script can handle:

• http://www.google.com
• https://github.com/pda/pheanstalk/
• http://www.google.com/search?client=ubuntu&channel=fs&q=search+this&ie=utf-8&oe=utf-8.php

/**
 * @param String $s
 * @return String
 */
public static function markupUrls($s) {
  return preg_replace('@(https?://([-\w\.]+[-\w])+(:\d+)?(/([\w/_\.#-]*(\?\S+)?[^\.\s])?)?)@', '<a href="$1" target="_blank">$1</a>', $s);
}

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