Re: Google Style Search Results

On 12/9/05, Julien Bonastre <julien@the-spectrum.org> wrote: <snip> > > http://aries.the-spectrum.org/webdev/wawd/forums/search.php?q=sufficient%2Blarge&st=post&sb%5B%5D=*&maxres=25&ob=datetime&ot=DESC > <snip> > > All I did was conjure up a regular expression that basically just matches words :-) haha > ironically.. > > > Here it is: > > $extract_result=""; > preg_match_all("/((?:[\w]+ ?){0,5})[\w > \.\,\-\;]((?:".join("|",$q_arr)."))([\w]*)[\w \.\,\-\;]((?:[\w]+ > ?){0,5})/i",$row["content"],$ext_matches,PREG_SET_ORDER); > foreach($ext_matches as $ext_arr) { > $extract_result .= $ext_arr[1]." > <B>".$ext_arr[2]."</B>".$ext_arr[3]." ".$ext_arr[4]." ... > "; > } > > > Are you familiar with regex? > <snip> I'm not very familiar with regex at all and was wondering if you could tell me how your regex would handle two matched search strings that exist within a few words of each other in the text. For example "A larger server would be sufficient I think". Also in the link you provided (reproduced below) the first matched word is surrounded by 4 words and the second by 5 words, is there a reason for this? "An example of a larger post can be found ... we were to add a sufficient amount of text than we ..." Thank you. -- Graham