Re: Regex

[Nadim Attari <nadim@xxxxxxxxxxxxxxxx>]

M. Sokolewicz wrote:
> Nadim Attari wrote:
> > Hello,
> >
> > I have some text in a table... the text contains hyperlinks (but not 
> > html coded, i.e. plain "Some text...http://www.something.com";)
> >
> > When i retrieve these texts from the table, i want the hyperlinks to 
> > become clickable, i.e. <a href etc added automatically.
> >
> > "Some text...<a 
> > href="http://www.something.com";>http://www.something.com</a>"
> >
> > I know this sould be done using Regex, but i don't know regex.
> >
> > Any help (links, examples, etc)
> >
> > Thanks
> > Nadim Attari
>
> You don't know Regex. Well, that's simple then, TRY to learn it. Noone 
> will (or should) give you any answers if it's absolutely clear that 
> you're not putting any effort into trying to find one yourself. "I know 
> this should be done using Regex, but I don't know regex.", wouldn't you 
> think it'd be a good idea to look up a tutorial somewhere or try to find 
> out what this "regex" exactly is? Try to type regex in the php doc, see 
> the notes for the various functions?
>
> really, a little more effort goes a long way.
> - tul

Hello,

I know i MUST learn it.. time does not permit me. But surely i'll learn 
how to use this powerful tool!

And if i didn't need a quick help from this ML, why i would be here ... 
do you think if time permitted me to learn this, i'll ask a little help 
from this ML ? I am learning and will continue to learn throughout my life.

And remember, the day one says "i've learnt everthing now" this is the 
day his downfall begins ...

Anyway i've got something working:

function hyperlinks($text = '', $class = 'link')
{
  $text = trim($text);

  if ($text != '')
  {
    if (trim($class) != '') $class = ' class="'.$class.'"';

    $in = array('`((?:https?|ftp)://\\S+)(\\s|\\z)`', 
'`([[:alnum:]]([-_.]?[[:alnum:]])*@[[:alnum:]]([-_.]?[[:alnum:]])*\.([a-z]{2,4}))`');

    $out = array('<a href="$1"'.$class.' target="_blank">$1</a>$2', '<a 
href="mailto:$1";'.$class.'>$1</a>');

    $text = preg_replace($in, $out, $text);
  }

  return $text;
}

Renders http, https, ftp, mailto.

Thanks M. Sokolewicz and everyone.
Nadim Attari

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