Question

How to check if a string contains URL in PHP

Answer 1

$s = "https://www.collectivesolver.com/ Programming & Software Q&A";
 
$slink = strpos($s, 'http') !== false &&
         strpos($s, '://.') !== false ||
         strpos($s, 'www') !== false;
 
if (isset($slink))
    echo "yes";
else
    echo "no";
     
     
 
/*
run:
 
yes
 
*/

 

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Answer 2

$s = "https://www.collectivesolver.com/ Programming & Software Q&A";

$reg_ex = "/(http|https|ftp|ftps)\:\/\/[a-zA-Z0-9\-\.]+\.[a-zA-Z]{2,3}(\/\S*)?/";

if (preg_match($reg_ex, $s, $url)) {
    print_r($url);
    echo "yes";
}
else
    echo "no";
    
    

/*
run:

Array
(
    [0] => https://www.collectivesolver.com/
    [1] => https
    [2] => /
)
yes

*/

 

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Answer 3

$s = "https://www.seek4info.com";

if (filter_var($s, FILTER_VALIDATE_URL)) {
    echo "yes";
} else {
    echo "no";
}

     
 
/*
run:
 
yes
 
*/

 

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