c# - Parsing HTML to get script variable value -

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i'm trying find method of accessing data between tags returned server making http requests to. document has multiple tags, 1 of tags has javascript code between it, rest included files. want accesses code between script tag.

an example of code is:

<html>     // html      <script>         var spect = [['temper', 'init', []],                     ['fw\/lib', 'init', [{staticroot: '//site.com/js/'}]],                     ["cap","dm",[{"tackmod":"profile","xmod":"timed"}]]];      </script>      // more html </html>

i'm looking ideal way grab data between 'spect' , parse it. there space between 'spect' , '=' , there isn't. no idea why, have no control on server.

i know question may have been asked, responses suggest using htmlagilitypack, , i'd rather avoid using library task need javascript dom once.

very simple example of how easy using htmlagilitypack , jurassic library evaluate result:

var html = @"<html>              // html              <script>                var spect = [['temper', 'init', []],                ['fw\/lib', 'init', [{staticroot: '//site.com/js/'}]],                [""cap"",""dm"",[{""tackmod"":""profile"",""xmod"":""timed""}]]];              </script>              // more html              </html>";  // grab content of first script element htmlagilitypack.htmldocument doc = new htmlagilitypack.htmldocument(); doc.loadhtml(html); var script = doc.documentnode.descendants()                              .where(n => n.name == "script")                              .first().innertext;  // return data of spect , stringify proper json object var engine = new jurassic.scriptengine(); var result = engine.evaluate("(function() { " + script + " return spect; })()"); var json = jsonobject.stringify(engine, result);  console.writeline(json); console.readkey();

output:

[["temper","init",[]],["fw/lib","init",[{"staticroot":"//site.com/js/"}]],["cap","dm",[{"tackmod":"profile","xmod":"timed"}]]]

note: not accounting errors or else, merely serves example of how grab script , evaluate value of spect.

there few other libraries executing/evaluating javascript well.


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