Una pagina a caso :P
diciamo che nella pagina c'è scritto :
Codice PHP:
<html><head><meta http-equiv="content-type" content="text/html; charset=UTF-8"><title>Google</title><style><!--
body,td,a,p,.h{font-family:arial,sans-serif}
.h{font-size:20px}
.h{color:#3366cc}
.q{color:#00c}
--></style>
<script>
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function sf(){document.f.q.focus();}
window.rwt = function(el,oi,cad,ct,cd,sg_url,sg){var e = window.encodeURIComponent ? encodeURIComponent : escape;var oi_param="";var cad_param="";var p = el.href.split("#");var sig_url="";if (oi) oi_param="&oi="+e(oi);if (cad) cad_param="&cad="+e(cad);if (sg_url) sig_url="&usg="+sg_url;el.href="/url?sa=t"+oi_param+cad_param+"&ct="+e(ct)+"&cd="+e(cd)+"&url="+e(p[0]).replace(/\+/g,"%2B")+"&ei=aPhpRcroKZLK-QL7xPj-DQ"+sig_url+sg+(p[1]?"#"+p[1]:"");el.onmousedown="";return true;};
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</script>
</head><body bgcolor=#ffffff text=#000000 link=#0000cc vlink=#551a8b alink=#ff0000 onload=sf() topmargin=3 marginheight=3><center><div align=right nowrap style="padding-bottom:4px" width=100%><font size=-1>[url="/url?sa=p&pref=ig&pval=3&q=http://www.google.it/ig%3Fhl%3Dit&usg=__G4FoAkG2BgZXFScY56sHYkwh_us="]Home page personalizzata[/url]|[url="https://www.google.com/accounts/Login?continue=http://www.google.it/&hl=it"]Accesso[/url]</font></div>[img]/intl/it_it/images/logo.gif[/img]
<form action="/search" name=f><script><!--
function qs(el){if(window.RegExp&&window.encodeURIComponent){var ue=el.href,qe=encodeURIComponent(document.f.q.value);if(ue.indexOf("q=")!=-1){el.href=ue.replace(new RegExp("q=[^&$]*"),"q="+qe);}else{el.href=ue+"&q="+qe;}}return 1;}
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</script><table border=0 cellspacing=0 cellpadding=4><tr><td nowrap><font size=-1>[b]Web[/b][url="http://images.google.it/imghp?ie=UTF-8&oe=UTF-8&hl=it&tab=wi"]Immagini[/url][url="http://groups.google.it/grphp?ie=UTF-8&oe=UTF-8&hl=it&tab=wg"]Gruppi[/url][url="http://news.google.it/nwshp?ie=UTF-8&oe=UTF-8&hl=it&tab=wn"]News[/url][b][url="/intl/it/options/"]altro»[/url][/b]</font></td></tr></table><table cellpadding=0 cellspacing=0><tr valign=top><td width=25%></td><td align=center nowrap><input name=hl type=hidden value=it><input maxlength=2048 name=q size=55 title="Cerca con Google" value="">
<input name=btnG type=submit value="Cerca con Google"><input name=btnI type=submit value="Mi sento fortunato"></td><td nowrap width=25%><font size=-2><a href=/advanced_search?hl=it>Ricerca avanzata</a>
[url="/preferences?hl=it>Preferenze</a>
<a"]Strumenti per le lingue[/url]</font></td></tr><tr><td align=center colspan=3><font size=-1>Cerca: <input id=all type=radio name=meta value="" checked><label for=all> il Web </label><input id=lgr type=radio name=meta value="lr=lang_it" ><label for=lgr> pagine in Italiano </label><input id=cty type=radio name=meta value="cr=countryIT" ><label for=cty> pagine provenienti da: Italia </label></font></td></tr></table></form>
<font size=-1>[url="/intl/it/ads/>Pubblicità</a>"]Soluzioni Aziendali[/url] - [url="/intl/it/about.html>Tutto"] - <a href=http://www.google.com/ncr>Google.com in English[/url]</font>
<font size=-2>©2006 Google</font></p></center></body></html>
Il valore da cercare è la parola : Google