Say i have a string of text such as
$text = "Hello world, be sure to visit http://whatever.com today";
how can i (probably using regex) insert the anchor tags for the link (showing the link itself as the link text) ?
-
1Duplicate: See #1038284 - stackoverflow.com/questions/1038284/php-parse-links-emailsSampson– Sampson2009-11-25 18:17:27 +00:00Commented Nov 25, 2009 at 18:17
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2 Answers
You can use regexp to do this:
$html_links = preg_replace('"\b(https?://\S+)"', '<a href="$1">$1</a>', $text);
4 Comments
Sarah
your answer worked like a charm but if i wanna check also presence of www how would i do it?
mason81
@Sarah unless you want to specifically target all url containing only www, this should catch those. If you need to check for www, then just add www\. like so:
\b(http://www\.\S+) and that should catch only URL with www.
lepe
If the document contains non-ascii characters (like asian languages), you can replace the "\S+" for: "[0-9a-zA-Z-._~:/?#[]@!$&'()*+,;=]+" if the URLs are only ascii characters (othewise don't change it)
Mike Thrussell
To include https:// too: - $html_links = preg_replace('"\b(http\S+)"', '<a href="$1">Link</a>', $text);
I write this function. It replaces all the links in a string. Links can be in the following formats :
- www.example.com
- http://example.com
- https://example.com
- example.fr
The second argument is the target for the link ('_blank', '_top'... can be set to false). Hope it helps...
public static function makeLinks($str, $target='_blank')
{
if ($target)
{
$target = ' target="'.$target.'"';
}
else
{
$target = '';
}
// find and replace link
$str = preg_replace('@((https?://)?([-\w]+\.[-\w\.]+)+\w(:\d+)?(/([-\w/_\.~]*(\?\S+)?)?)*)@', '<a href="$1" '.$target.'>$1</a>', $str);
// add "http://" if not set
$str = preg_replace('/<a\s[^>]*href\s*=\s*"((?!https?:\/\/)[^"]*)"[^>]*>/i', '<a href="http://$1" '.$target.'>', $str);
return $str;
}
Edit: Added tilde to make urls work better https://regexr.com/5m16v
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