Tutorial Automatic Mailto Links
$string = eregi_replace('([_\.0-9a-z-]+@([0-9a-z][0-9a-z-]+\.)+[a-z]{2,3})',' \\1 ', $text); echo $string;
https://iskablogs.blogspot.com/2014/03/tutorial-automatic-mailto-links.html
$string = eregi_replace('([_\.0-9a-z-]+@([0-9a-z][0-9a-z-]+\.)+[a-z]{2,3})','\\1', $text);
echo $string;
echo $string;
