str_replace || regex?

[slick101]

Hey everyone.

I need some help i need to look through text and find links. if the text has www.mysite.com it will change it to http://www.mysite.com. I basically have

some text that may have <img> tag but if i put www.mysite.com/image.jpg it will not show unless i have http://

I also want to convert links to clickable. currently I have

$text = html_entity_decode($text);
                $text = $text;
                $text = eregi_replace('(((f|ht){1}tp://)[-a-zA-Z0-9@:%_\+.~#?&//=]+)',
                        '<a href="\\1" target=_blank>\\1</a>', $text);
                $text = eregi_replace('(((f|ht){1}tps://)[-a-zA-Z0-9@:%_\+.~#?&//=]+)',
                        '<a href="\\1" target=_blank>\\1</a>', $text);
                $text = eregi_replace('([[:space:]()[{}])(www.[-a-zA-Z0-9@:%_\+.~#?&//=]+)',
                '\\1<a href="http://\\2" target=_blank>\\2</a>', $text);
                $text = eregi_replace('([_\.0-9a-z-]+@([0-9a-z][0-9a-z-]+\.)+[a-z]{2,3})',
                '<a href="mailto:\\1" target=_blank>\\1</a>', $text);
                return $text;

but this code ruins if i actually have a <img src="http://www.mysite.com/image.jpg" />

[NogDog]

You can use the preg_replace() function with a negative look-behind assertion.

$text = preg_replace('#(<!http://)(www\.mysite\.com)#', "http://$1", $text);

[slick101]

NogDog;10917216 wrote:

You can use the preg_replace() function with a negative look-behind assertion.

$text = preg_replace('#(<!http://)(www\.mysite\.com)#', "http://$1", $text);

Hey NogDog thanks...Im not very good with regex stuff what if www.mysite.com is not always the same? I found that other code somewhere on the web =( I need find good tutorial on matching stuff!