extract url out of string

[Anon]

hi

i am trying to extract the url of a link out of a string of conversational english and was wondering what function i would use for this?

NB: The url constantly changes in each string sent to the script.

thanks

BoB.

[Anon]

You can try this function to get yourself started. The search pattern is really basic, but you can add to it, if needed.

I haven't tested this code, so no guarantee that it's bug free.

//returns an array of urls in a string
//returns 0 if no matches found
function &grab_urls($string)
{
preg_match( "/^{http:\/\/\S+$/i",} $string, $matches );

if( isset($matches) ) {
return $matches;
}

return 0;
}

[Anon]

Use this function instead. The other one I gave you is bad.

//returns an array of urls in a string
//returns 0 if no matches found
function &grab_urls($string)
{
preg_match_all( "/^{http:\/\/\S+$/i",} $string, $matches, PREG_PATTERN_ORDER );

if( isset($matches[0]) ) {
return $matches[0];
}

return 0;
}