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Asked: 2026-06-17T18:16:50+00:00

I am having troubles spliting a string as followed : what is text to

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I am having troubles spliting a string as followed :
what is text to remain a text what is link to be transformed in anchor and what is link from youtube to convert it to iframe tag.

My script looks like this : 

$string='This is a link www.dinamomania.net this is a http://www.youtube.com/watch?v=U9LB6qGvdpQ';
echo makelink($string);

 function makeLink($string){

 /*** make sure there is an http:// on all URLs ***/
 $string = preg_replace("/([^\w\/])(www\.[a-z0-9\-]+\.[a-z0-9\-]+)/i", "$1http://$2",$string);
 /*** make all URLs links ***/

$string = preg_replace('/([\w]+:\/\/[\w-?&;#~=\.\/\@]+[\w\/])/i','<a target="_blank" href="$1">$1</A>',$string);

$string = preg_replace('/((http|ftp)\:\/\/)?([w]{3}\.)?(youtube\.)([a-z]{2,4})(\/watch\?v=)([a-zA-Z0-9_-]+)(\&feature=)?([a-zA-Z0-9_-]+)?/', '<iframe style= "margin:15px 0 15px 0;display:block;" width="500" height="300" src="http://www.youtube.com/embed/$7" frameborder="0" allowfullscreen></iframe>',$string);

 /*** make all emails hot links ***/

 $string = preg_replace("/([\w-?&;#~=\.\/]+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,3}[0-9]{1,3})(\]?))/i","<A HREF=\"mailto:$1\">$1</A>",$string);

 return $string;

}

}

Everything it’s working how it’s supposed to just that, i get an anchor like this “> before the iframe, thats because first it’s doing the link into anchors and then the iframe for youtube format. So it’s an inframe into an anchor.

I was looking for an if statement to do something like this :

if( is link from youtube ) {
    // do the iframe part 
} else {
    // do the anchor part
}

Any help/advice will be highly appreciated. Thanks !

I have came with something like this :

    if (preg_match("/((http|ftp)\:\/\/)?([w]{3}\.)?(youtube\.)([a-z]{2,4})(\/watch\?v=)([a-zA-Z0-9_-]+)(\&feature=)?([a-zA-Z0-9_-]+)?/", $string))
    {
$string = preg_replace('/((http|ftp)\:\/\/)?([w]{3}\.)?(youtube\.)([a-z]{2,4})(\/watch\?v=)([a-zA-Z0-9_-]+)(\&feature=)?([a-zA-Z0-9_-]+)?/', '<iframe style= "margin:15px 0 15px 0;display:block;" width="500" height="300" src="http://www.youtube.com/embed/$7" frameborder="0" allowfullscreen></iframe>',$string);
    } else {
$string = preg_replace('/([\w]+:\/\/[\w-?&;#~=\.\/\@]+[\w\/])/i','<a target="_blank" href="$1">$1</A>',$string);
    }

But yet again it’s doing my iframe part and nothing happends with anchors.

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1 Answer

  1. Editorial Team

    Use this pattern for URL

    preg_replace('/([^\'"])((ht|f)tps?:\/\/[\w-?&;#~=\.\/\@]+[\w\/])/i',
    '$1<A target="_blank" href="$2">$2</A>',$string);

    And put the IFRAME placing statement before A tag placing statement.

        /*** make all the IFrame links ***/
$string = preg_replace(
'/((http|ftp)\:\/\/)?([w]{3}\.)?(youtube\.)([a-z]{2,4})(\/watch\?v=)([a-zA-Z0-9_-]+)(\&feature=)?([a-zA-Z0-9_-]+)?/', 
'<iframe style= "margin:15px 0 15px 0;display:block;" width="500" height="300" src="http://www.youtube.com/embed/$7" frameborder="0" allowfullscreen></iframe>',
$string);

/*** make all URLs links ***/
$string = preg_replace('/([^\'"])((ht|f)tps?:\/\/[\w-?&;#~=\.\/\@]+[\w\/])/i',
        '$1<A target="_blank" href="$2">$2</A>',$string);

    See how it works.

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