Text Extraction / Regular Expressions Help

Ned · November 16, 2009

I have just started learning "Regular Expressions". I have read the help file on Regular Expressions and has helped a little. My ultimate goal of my script is the extract a link out of some source code from a web page and copy the link to the clipboard. The part I am stuck on is extracting the link. The information I know about the link is how it's start and end are static. The middle is dynamic and is based on each user. The length of the link varies user to user also but is around 350 - 450 characters long. There is only one link in the source code that starts and end with this static text.

Im not really sure where to go based off this script from the help file:

$sourcecode = Source code of page w/ link...

$asResult = StringRegExp($sourcecode, '(???)

If @error == 0 Then
    MsgBox(0, "Result", $asResult[0])
EndIf

Is there a tutorial or more help pages on how to make the pattern for what I am looking for?

GEOSoft · November 16, 2009

I'm reasonably certain you didn't copy that code from the help file.

If you post a couple of typical links then perhaps we can get you started in the right direction. The linnks should include everything from the <a tag to the </a> but you may change the dynamic portion to protect the possibly innocent.

Ned · November 17, 2009

It is from the help file under tutorials.

The link is of the game app in myspace.

Here is the entire HTML:

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<html xmlns="http://www.w3.org/1999/xhtml" class="noJS en-US"> 
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<head><meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7" /> 
<script type="text/javascript"> 
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var MySpace = {};
var MySpaceRes = {};
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MySpaceRes.Header = {"Cancel":"Cancel / Cancelación","Continue":"Continue / Continuar"};
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MySpace.ClientIntMaintenanceConfigs = {};
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<a class="text" href="http://www.myspace.com/index.cfm?fuseaction=cms.viewpage&amp;placement=safety_pagehome" target="_blank" onclick="MySpace.CMS.track('0a1ec07d-1116-4841-bdc6-02a34ab8e4ad','20958')">Safety Tips</a> |
<span class="disabled"><a class="text" href="http://www.myspace.com/index.cfm?fuseaction=help.reportabuse&amp;abusetype=profile&amp;ProfileContentID=" target="_blank" onclick="MySpace.CMS.track('0a1ec07d-1116-4841-bdc6-02a34ab8e4ad','32537')">Report Abuse</a> |</span> 
<a class="text" href="https://advertise.myspace.com/login.html?adv=gf.1&pr=d3oatdQsvADw%2BazsdI%2Fi0A%3D%3D" target="_blank" onclick="MySpace.CMS.track('0a1ec07d-1116-4841-bdc6-02a34ab8e4ad','20959')">Advertise</a> | 
<a class="text" href="http://developer.myspace.com" onclick="MySpace.CMS.track('0a1ec07d-1116-4841-bdc6-02a34ab8e4ad','20960')">Developers</a> | 
<a class="text" id="intlLink" href="http://www.myspace.com/index.cfm?fuseaction=InternationalMap" onclick="MySpace.CMS.track('0a1ec07d-1116-4841-bdc6-02a34ab8e4ad','20961')">MySpace International  ▼</a> 
<span id="msLatino">| <a class="text" href="http://latino.myspace.com" onclick="MySpace.CMS.track('0a1ec07d-1116-4841-bdc6-02a34ab8e4ad','20962')">MySpace Latino</a></span><br/> 
<p> 
<a href="http://www.myspace.com/pressroom" onclick="MySpace.CMS.track('0a1ec07d-1116-4841-bdc6-02a34ab8e4ad','32538')">Press Room</a> | 
<a href="http://music.myspace.com" onclick="MySpace.CMS.track('0a1ec07d-1116-4841-bdc6-02a34ab8e4ad','20963')">Music</a> | 
<a href="http://vids.myspace.com" onclick="MySpace.CMS.track('0a1ec07d-1116-4841-bdc6-02a34ab8e4ad','20964')">Video</a> | 
<a href="http://www.myspace.com/sitemap" onclick="MySpace.CMS.track('0a1ec07d-1116-4841-bdc6-02a34ab8e4ad','20968')">Sitemap</a> 
</p> 
 
<br /><br /><div class="clear">&copy;2003-2009 MySpace.com. All Rights Reserved.
 
</div><style type="text/css"><!--
 
#internationalLinks div.intlColumn { float: left; padding-left: 15px; width: 180px; overflow: hidden; text-overflow: ellipsis;}
 
--></style> 
<div id="internationalLinks" style="height: 485px; margin-top: -485px;"> 
<div class="closer"><a href="javascript:msglobalnav.toggleInternationalLinks();">Close</a></div> 
<div class="intlColumn"><div class="header">Americas</div> 
<ul class="bottomMargin"> 
 
<li><a href="http://ar.myspace.com/">Argentina</a></li> 
<li><a href="http://br.myspace.com/">Brazil</a></li> 
<li><a href="http://ca.myspace.com/">Canada </a></li> 
<li><a href="http://cf.myspace.com/">Canada (Français)</a></li> 
<li><a href="http://la.myspace.com/">Latin America (Español)</a></li> 
<li><a href="http://mx.myspace.com/">Mexico</a></li> 
<li><a href="http://us.myspace.com/">United States (English)</a></li> 
<li><a href="http://latino.myspace.com/">United States (Latino)</a></li> 
</ul><div class="header">Asia Pacific</div> 
<ul><li><a href="http://au.myspace.com/">Australia</a></li> 
<li><a href="http://zh.myspace.com/">Chinese (Traditional)</a></li> 
<li><a href="http://in.myspace.com/">India</a></li> 
<li><a href="http://jp.myspace.com/">Japan</a></li> 
<li><a href="http://nz.myspace.com/">New Zealand</a></li> 
</ul></div> 
<div class="intlColumn"><div class="header">Europe</div> 
<ul><li><a href="http://at.myspace.com/">Austria</a></li> 
<li><a href="http://belgie.myspace.com/">Belgium (Nederlands)</a></li> 
<li><a href="http://belgique.myspace.com/">Belgium (Français)</a></li> 
<li><a href="http://dk.myspace.com/">Denmark</a></li> 
<li><a href="http://fi.myspace.com/">Finland</a></li> 
<li><a href="http://fr.myspace.com/">France</a></li> 
<li><a href="http://de.myspace.com/">Germany</a></li> 
<li><a href="http://ie.myspace.com/">Ireland</a></li> 
<li><a href="http://it.myspace.com/">Italy</a></li> 
<li><a href="http://nl.myspace.com/">Netherlands</a></li> 
<li><a href="http://no.myspace.com/">Norway</a></li> 
<li><a href="http://pt.myspace.com/">Portugal</a></li> 
<li><a href="http://pl.myspace.com/">Poland</a></li> 
<li><a href="http://ru.myspace.com/">Russia</a></li> 
<li><a href="http://es.myspace.com/">Spain</a></li> 
<li><a href="http://se.myspace.com/">Sweden</a></li> 
<li><a href="http://schweiz.myspace.com/">Switzerland (Deutsch)</a></li> 
<li><a href="http://suisse.myspace.com/">Switzerland (Français)</a></li> 
<li><a href="http://svizzera.myspace.com/">Switzerland (Italiano)</a></li> 
<li><a href="http://tr.myspace.com/">Turkey</a></li> 
<li><a href="http://uk.myspace.com/">UK</a></li> 
</ul></div></div> 
 
</div> 
<script type="text/javascript"> 
var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");
document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));
</script> 
<script type="text/javascript"> 
var pageTracker = _gat._getTracker("UA-6293770-1");
pageTracker._setDomainName(".myspace.com");
pageTracker._setSampleRate("1"); //sets sampling rate to 1 percent
pageTracker._trackPageview(); 
</script><!-- Footer:Standard End --> 
 
        </div> 
    
 
    
   
    
<script type="text/javascript" src="http://js.myspacecdn.com/modules/common/static/js/global_genujnfq.js"></script> 
 
    
 
<script type="text/javascript"> 
    
var WebIM = WebIM || {};
WebIM.Config = WebIM.Config || {};
WebIM.Config.WIMAPP_SERVER = "http://www.webim.myspace.com";
WebIM.Config.WIMAPP_REQUESTBASE = "http://webim.myspace.com";
WebIM.Config.genericFramePath = "/Modules/WebIM/Pages/ChatFrame.aspx?v=6";
WebIM.Config.reportAbuseURL = "http://webim.myspace.com/Modules/WebIM/Pages/ReportChatAbuse.aspx";
WebIM.Config.popoutWinUrl = "http://www.myspace.com/index.cfm?fuseaction=webim.popout";
WebIM.Config.profileURL = "http://profile.myspace.com/index.cfm?fuseaction=user.viewProfile&friendID={0}";
WebIM.Config.addCommentURL = "http://comment.myspace.com/index.cfm?fuseaction=user.viewProfile_commentForm&friendID={0}";
WebIM.Config.sendMailURL = "http://messaging.myspace.com/index.cfm?fuseaction=mail.message&friendID={0}";
WebIM.Config.ifpcScriptURL = "http://js.myspacecdn.com/modules/common/static/js/apps/ifpc003_n9jqdoon.js"; 
WebIM.Config.jsonScriptURL = "http://js.myspacecdn.com/modules/common/static/js/apps/json001_efvnfepv.js";
WebIM.Config.sendingImageURL = "http://x.myspacecdn.com/modules/common/static/img/loadercircles-15.gif";
WebIM.Config.sponsorFrameURL = "/Modules/WebIM/Pages/SponsorFrame.aspx?v=1";
WebIM.Config.blockUsersURL = "http://profileedit.myspace.com/index.cfm?fuseaction=accountSettings.blockedUsers";
WebIM.Config.dotNetBaseURL = "http://www.myspace.com";
WebIM.Config.addToFriendsURL = "http://friends.myspace.com/index.cfm?fuseaction=invite.addfriend_verify&friendId={0}";
WebIM.Config.editFriendsURL = "http://friends.myspace.com/index.cfm?fuseaction=user.manageimfriends";
WebIM.Config.pendingRequestsURL = "http://messaging.myspace.com/index.cfm?fuseaction=mail.pendingFriendRequests";
WebIM.Config.ifpcRelayPath = "/Modules/WebIM/Pages/IFPCRelay.aspx";
WebIM.Config.helpURL = "http://www.myspace.com/aplaceforim";
WebIM.Config.WebIMSettingsURL = "http://profileedit.myspace.com/index.cfm?fuseaction=accountSettings.webIM";
WebIM.Config.popSoundURL = "http://x.myspacecdn.com/modules/webim/static/audio/pop.mp3";
WebIM.Config.soundPlayerURL = "http://x.myspacecdn.com/modules/webim/static/swf/soundplayer.swf";
WebIM.Config.incomingSoundURL = "http://x.myspacecdn.com/modules/webim/static/audio/incoming.mp3";
WebIM.Config.maxConsoleConversations = 30;
WebIM.Config.presencePollInterval = 60;
WebIM.Config.maxMessageSize = 1000;
WebIM.Config.eventsRequestMaxRetries = 3;
WebIM.Config.eventsRequestDelta = 3;
WebIM.Config.defaultIdleTime = 5;
WebIM.Config.minIdleTime = 1;
WebIM.Config.maxIdleTime = 100;
WebIM.Config.SEND_MESSAGE_DELAY_MILLISECONDS = 1000;
WebIM.Config.MAX_FRIEND_DISPLAY_COUNT = 400;
WebIM.Config.CONV_FRAME_URL = "/Modules/WebIM/Pages/Conversation.aspx?v=6";
WebIM.Config.CONSOLE_SETTINGS_FRAME_URL = "/Modules/WebIM/Pages/ConsoleSettingsFrame.aspx?v=6";
WebIM.Config.CONSOLE_TABS_FRAME_URL = "/Modules/WebIM/Pages/ConsoleTabsFrame.aspx?v=6";
WebIM.Config.SETTINGS_POPUP_FRAME_URL = "/Modules/WebIM/Pages/SettingsPopup.aspx?IPCulture=en-US&PreferredCulture=en-US&useragent=Mozilla%252f5.0%2b(Windows%253b%2bU%253b%2bWindows%2bNT%2b6.1%253b%2ben-US)%2bAppleWebKit%252f532.0%2b(KHTML%252c%2blike%2bGecko)%2bChrome%252f3.0.195.33%2bSafari%252f532.0&v=6";
WebIM.Config.FRIENDS_LIST_FRAME_URL = "/Modules/WebIM/Pages/FriendsList.aspx?IPCulture=en-US&PreferredCulture=en-US&useragent=Mozilla%252f5.0%2b(Windows%253b%2bU%253b%2bWindows%2bNT%2b6.1%253b%2ben-US)%2bAppleWebKit%252f532.0%2b(KHTML%252c%2blike%2bGecko)%2bChrome%252f3.0.195.33%2bSafari%252f532.0&v=6";
WebIM.Config.INDICATORS_POPUP_FRAME_URL = "/Modules/WebIM/Pages/IndicatorsPopup.aspx?IPCulture=en-US&PreferredCulture=en-US&useragent=Mozilla%252f5.0%2b(Windows%253b%2bU%253b%2bWindows%2bNT%2b6.1%253b%2ben-US)%2bAppleWebKit%252f532.0%2b(KHTML%252c%2blike%2bGecko)%2bChrome%252f3.0.195.33%2bSafari%252f532.0&v=6";
WebIM.Config.transparentImageURL = "http://x.myspacecdn.com/modules/common/static/img/spacer.gif";
WebIM.Config.displayTimestampDelayInSeconds = 60;
WebIM.Config.wimappServerName = "";
WebIM.Config.staticImageRoot = "http://x.myspacecdn.com/modules/webim/static/img/";
WebIM.Config.friendMoodsV2URL = "http://friends.myspace.com/index.cfm?fuseaction=profile.friendmoods&friendID={0}";
WebIM.Config.MIM_AJAX_HTML_URI = "http://www.webim.myspace.com/Modules/WebIM/Pages/mim_ajax.html?v=2";WebIM.Config.Security = {pageHash: "MIGvBgorBgEEAYI3WAO0oIGgMIGdBgorBgEEAYI3WAMBoIGOMIGLAgMCAAECAmYDAgIAwAQIh5bcKnOaGxAEEP3dlkPfB6XdB3y9vPPzP5MEYI7jn%2bcFAIRokMClIOn6uWj%2bg1DSL4haXJ33AfvJNv%2bOcOmC7%2b%2f53%2bZ%2flgTnlDvFO9sGsiHB0dBGra52KIQlqCJbohtr9xuQj%2f2JkJZqTpDH4JNlA8LUc8fkJP63dpmZvQ%3d%3d", header: "WebImHash"};WebIM.Config.genConsoleFromS = true;WebIM.Config.showStatusMoods = true;
</script> 
<script type="text/javascript"> 
    WebIM.ViewerJSON = {id: 470792517,
 imageUrl: "http://c3.ac-images.myspacecdn.com/images02/76/s_c05a5c8b0da04b7e8c9dff29bf22a7ae.png",
 name: "RP Bots",
 group: "Transient",
 realName: 1,
 presence: "Online",
 age: 20};
;
</script><script type="text/javascript" src="http://js.myspacecdn.com/modules/common/static/js/popupwithoverlay_wzym-x1l.js"></script> 
<script type="text/javascript" src="http://js.myspacecdn.com/modules/applications/static/js/canvascore_13bkluhh.js"></script> 
<script type="text/javascript" src="http://www.myspace.com/Modules/WebIM/Pages/ClientStrings.aspx/en-US/4"></script> 
<script type="text/javascript" src="http://js.myspacecdn.com/modules/webim/static/js/webimconsole_ueoa4cgp.js"></script> 
 
<script type="text/javascript"> 
            
            function canvas_checkNewInstall() {
                if(window.location.search.match(/newinstall=1/i) != null) {
                    MySpace.Apps.tryFIMAdvCallback(); 
                    MySpace.Apps.tryInstallCallback();  
                }  
            }
            Sys.Application.add_init( function() {canvas_checkNewInstall();});
        
</script> 
<script type="text/javascript"> 
    MySpace.BeaconType = "image";
MySpace.BeaconData={"dsid":"2","dsv":"1","rd":"home.myspace.com","rqs":"fuseaction=user","refpg":"/index.cfm","rpf":"User","d":"profile.myspace.com","qs":"appId=123192","pf":"AppCanvas","fa":"","pgnm":"--__--Applications--__--Canvas.aspx","cip":"413161974","pc":"en-US","pid":"-6002491944911711406","pidf":"0","ABtd":"0","t":"1258427438569","ct":"1258427438569","ci":"New Port Richey","st":"FL","co":"US","dmac":"539","uff":"0","uatv":"br=Chrome 3.0.195.33&os=Windows NT 6.1","sip":"170661088","uid":"470792517","pggd":"d7bf2433-cd69-4b84-ba59-67370126c88a","prid":"437993929","ili":"1","at":"16","cfv":"0:0:0","cef":"0","sliu":"0","pref":"0","kvp":"bt=2&"}
MySpace.BeaconAddress="http://b.myspace.com/~myspace/beacon/b.ashx?";
if (MySpace.Beacon) MySpace.Beacon.SendPageBeacon();
 
</script> 
<script type="text/javascript"> 
    var MySpaceClientContext = {"UserId":470792517,"DisplayFriendId":437993929,"IsLoggedIn":true,"FunctionalContext":"AppCanvas","UserType":1};
MySpaceClientContext.PreferredCulture = 'en-US';
</script> 
<script type="text/javascript"> 
    var VideoDefaultText='Find a TV show, music video or clip';
var MusicDefaultText='Find a favorite artist, song or album';
var ImagesDefaultText='Find images on MySpace';
var LocalDefaultText='Find restaurants and bars';
var intKeyRebrandHeader=true;
ORANGESearchBox =  $create(MySpace.UI.DefaultTextboxBehavior, {
defaultValue: ""
},
null, null, $get("search_q_Header"));
 
</script> 
<script type="text/javascript"> 
    
</script> 
   
   
   
   
   <script type="text/javascript">MySpace.Application._raiseDOMloaded();</script> 
</body> 
</html>

Here is the link it needs to get: (Only need the "HTTP://api.myspace.com/" .... to the "=UOC"

<iframe id="apppanel_123192_canvas" name="apppanel_123192_canvas" src="http://api.msappspace.com/apprendering/123192/canvas/06182009021613/1_0_0/render.app#IobXToiD3%2bSQd41abBYVPpc%2b4UFi0XjD6c2Sv%2boSTzmdaDtIslSzjuKwbrNvqRuR21DtRmpOTVXyXKGU%2fIGCkcYUhr6Z1twIgfBEg%2ftqiPQ%3d&opensocial_surface=canvas&perm=%5b%22DP%22%2c%22UT%22%2c%22UF%22%2c%22RN%22%2c%22PB%22%2c%22SN%22%2c%22%22%2c%22BI%22%2c%22FL%22%5d&ownerId=470792517&viewerId=470792517&installState=1&country=us&lang=en&mc=UOC" width="100%" height="6000" scrolling="no" frameborder="0" allowtransparency="true" style="border: none; background:transparent;"></iframe><br />

GEOSoft · November 17, 2009

Try this

$sSrc = "whatever method you are using to get the page source"
$aSRE = StringRegExp($sSrc, "(?i)id=\x22apppanel_123192_canvas.+src=\x22(http:.+?)\x22", 1)
If NOT @Error Then
    MsgBox(4096, "Result", $aSRE[0])
EndIf

Ned · November 17, 2009

Just tested. Worked perfectly. Thank you very much.

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