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+---- Thread: [C#] Finding a certain string in a webpage (/showthread.php?tid=2467405)
Finding a certain string in a webpage - TomTheBeast - May 5, 2012
Hey, Well I've come across a problem, I'm creating a program to find a certain string on a webpage, and the problem is that i can't find out how to do this, can anyone show me anywhere that i could easily find this or steer me in the right direction?
* - Ethernal Five - May 5, 2012
string source = new WebClient().DownloadString("website");
if (source.Contains("derp")) MessageBox.Show("Source contains derp.");
* - TomTheBeast - May 5, 2012
That's not what I'm asking, I'm not sure if i spcified this in my main post, but i need it to output the certain string that it contains, lets say it says "derp" then i need it to grab everything after that until it says "herp", which i have that, but now i need to find how to remove all of the HTML formatting. This is what i have to remove everything except what i need.
Code
private void getText(string url)
{
WebClient wc = new WebClient();
string[] derp = { "derp" };//where the grabbing begins
string[] herp = { "herp" };//where it ends
string webpage = getPageSource(url);
string[] webpage1 = webpage.Split(derp, StringSplitOptions.RemoveEmptyEntries);
string[] webpage2 = webpage1[1].Split(herp, StringSplitOptions.RemoveEmptyEntries);
richTextBox1.Text = webpage2[0];
}I just need to remove the HTML tags and output it as simple text.
* - Ethernal Five - May 5, 2012
Use regex: Regex.Replace(source, "<.*?>", string.Empty)
* - TomTheBeast - May 5, 2012
Thanks, but now I have another problem, and its only with this website, it has the code im trying to grab repeated about 50 times...
Heres some more info on what my project is: basically is goes to rswiki, grabs the NPC's weakness depending on the input, and then inputs the weakness part out in a RTB, but now my problem is, is that the part im grabbing is:
Code
<tr>
<th nowrap="nowrap">Weakness
</th><td> <span style="display:none">[[]], <a href="/wiki/Silverlight" title="Silverlight">silverlight</a>/<a href="/wiki/Darklight" title="Darklight">darklight</a>, <a href="/wiki/Abyssalbane_bolts" title="Abyssalbane bolts" class="mw-redirect">abyssalbane bolts</a>/<a href="/wiki/Abyssalbane_arrows" title="Abyssalbane arrows" class="mw-redirect">arrows</a>, <a href="/wiki/Slash" title="Slash" class="mw-redirect">slash</a><a href="/wiki/Magic" title="Magic">magic</a>, <a href="/wiki/Silverlight" title="Silverlight">silverlight</a>/<a href="/wiki/Darklight" title="Darklight">darklight</a>, <a href="/wiki/Abyssalbane_bolts" title="Abyssalbane bolts" class="mw-redirect">abyssalbane bolts</a>/<a href="/wiki/Abyssalbane_arrows" title="Abyssalbane arrows" class="mw-redirect">arrows</a>, <a href="/wiki/Slash" title="Slash" class="mw-redirect">slash</a><a href="/wiki/Magic" title="Magic">magic</a>, <a href="/wiki/Silverlight" title="Silverlight">silverlight</a>/<a href="/wiki/Darklight" title="Darklight">darklight</a>, <a href="/wiki/Abyssalbane_bolts" title="Abyssalbane bolts" class="mw-redirect">abyssalbane bolts</a>/<a href="/wiki/Abyssalbane_arrows" title="Abyssalbane arrows" class="mw-redirect">arrows</a>, <a href="/wiki/Slash" title="Slash" class="mw-redirect">slash</a><a href="/wiki/Magic" title="Magic">magic</a>, <a href="/wiki/Silverlight" title="Silverlight">silverlight</a>/<a href="/wiki/Darklight" title="Darklight">darklight</a>, <a href="/wiki/Abyssalbane_bolts" title="Abyssalbane bolts" class="mw-redirect">abyssalbane bolts</a>/<a href="/wiki/Abyssalbane_arrows" title="Abyssalbane arrows" class="mw-redirect">arrows</a>, <a href="/wiki/Slash" title="Slash" class="mw-redirect">slash</a><a href="/wiki/Magic" title="Magic">magic</a>, <a href="/wiki/Silverlight" title="Silverlight">silverlight</a>/<a href="/wiki/Darklight" title="Darklight">darklight</a>, <a href="/wiki/Abyssalbane_bolts" title="Abyssalbane bolts" class="mw-redirect">abyssalbane bolts</a>/<a href="/wiki/Abyssalbane_arrows" title="Abyssalbane arrows" class="mw-redirect">arrows</a>, <a href="/wiki/Slash" title="Slash" class="mw-redirect">slash</a><a href="/wiki/Magic" title="Magic">magic</a>, <a href="/wiki/Silverlight" title="Silverlight">silverlight</a>/<a href="/wiki/Darklight" title="Darklight">darklight</a>, <a href="/wiki/Abyssalbane_bolts" title="Abyssalbane bolts" class="mw-redirect">abyssalbane bolts</a>/<a href="/wiki/Abyssalbane_arrows" title="Abyssalbane arrows" class="mw-redirect">arrows</a>, <a href="/wiki/Slash" title="Slash" class="mw-redirect">slash</a><a href="/wiki/Magic" title="Magic">magic</a>, <a href="/wiki/Silverlight" title="Silverlight">silverlight</a>/<a href="/wiki/Darklight" title="Darklight">darklight</a>, <a href="/wiki/Abyssalbane_bolts" title="Abyssalbane bolts" class="mw-redirect">abyssalbane bolts</a>/<a href="/wiki/Abyssalbane_arrows" title="Abyssalbane arrows" class="mw-redirect">arrows</a>, <a href="/wiki/Slash" title="Slash" class="mw-redirect">slash</a><a href="/wiki/Magic" title="Magic">magic</a>, <a href="/wiki/Silverlight" title="Silverlight">silverlight</a>/<a href="/wiki/Darklight" title="Darklight">darklight</a>, <a href="/wiki/Abyssalbane_bolts" title="Abyssalbane bolts" class="mw-redirect">abyssalbane bolts</a>/<a href="/wiki/Abyssalbane_arrows" title="Abyssalbane arrows" class="mw-redirect">arrows</a>, <a href="/wiki/Slash" title="Slash" class="mw-redirect">slash</a><a href="/wiki/Magic" title="Magic">magic</a>, <a href="/wiki/Silverlight" title="Silverlight">silverlight</a>/<a href="/wiki/Darklight" title="Darklight">darklight</a>, <a href="/wiki/Abyssalbane_bolts" title="Abyssalbane bolts" class="mw-redirect">abyssalbane bolts</a>/<a href="/wiki/Abyssalbane_arrows" title="Abyssalbane arrows" class="mw-redirect">arrows</a>, [[]]<a href="/wiki/Magic" title="Magic">magic</a>, <a href="/wiki/Silverlight" title="Silverlight">silverlight</a>/<a href="/wiki/Darklight" title="Darklight">darklight</a>, <a href="/wiki/Abyssalbane_bolts" title="Abyssalbane bolts" class="mw-redirect">abyssalbane bolts</a>/<a href="/wiki/Abyssalbane_arrows" title="Abyssalbane arrows" class="mw-redirect">arrows</a>, <a href="/wiki/Slash" title="Slash" class="mw-redirect">slash</a><a href="/wiki/Magic" title="Magic">magic</a>, <a href="/wiki/Silverlight" title="Silverlight">silverlight</a>/<a href="/wiki/Darklight" title="Darklight">darklight</a>, <a href="/wiki/Abyssalbane_bolts" title="Abyssalbane bolts" class="mw-redirect">abyssalbane bolts</a>/<a href="/wiki/Abyssalbane_arrows" title="Abyssalbane arrows" class="mw-redirect">arrows</a>, <a href="/wiki/Slash" title="Slash" class="mw-redirect">slash</a><a href="/wiki/Magic" title="Magic">magic</a>, <a href="/wiki/Silverlight" title="Silverlight">silverlight</a>/<a href="/wiki/Darklight" title="Darklight">darklight</a>, <a href="/wiki/Abyssalbane_bolts" title="Abyssalbane bolts" class="mw-redirect">abyssalbane bolts</a>/<a href="/wiki/Abyssalbane_arrows" title="Abyssalbane arrows" class="mw-redirect">arrows</a>, <a href="/wiki/Slash" title="Slash" class="mw-redirect">slash</a></span><a href="/wiki/Magic" title="Magic">Magic</a>, <a href="/wiki/Silverlight" title="Silverlight">Silverlight</a>/<a href="/wiki/Darklight" title="Darklight">Darklight</a>, <a href="/wiki/Abyssalbane_bolts" title="Abyssalbane bolts" class="mw-redirect">Abyssalbane bolts</a>/<a href="/wiki/Abyssalbane_arrows" title="Abyssalbane arrows" class="mw-redirect">arrows</a>, <a href="/wiki/Slash" title="Slash" class="mw-redirect">Slash</a>
</td></tr>And it's not just that one page, its like that on all of them:
Code
<tr>
<th nowrap="nowrap">Weakness
</th><td> <span style="display:none"><a href="/wiki/Darklight" title="Darklight">darklight</a>, <a href="/wiki/Silverlight" title="Silverlight">silverlight</a>, <a href="/wiki/Holy_water" title="Holy water">holy water</a>, <a href="/wiki/Crush" title="Crush" class="mw-redirect">crush</a> attacks, <a href="/wiki/Slash" title="Slash" class="mw-redirect">slash</a> attacks and [[]] attacks<a href="/wiki/Darklight" title="Darklight">darklight</a>, <a href="/wiki/Silverlight" title="Silverlight">silverlight</a>, <a href="/wiki/Holy_water" title="Holy water">holy water</a>, <a href="/wiki/Crush" title="Crush" class="mw-redirect">crush</a> attacks, <a href="/wiki/Slash" title="Slash" class="mw-redirect">slash</a> attacks and <a href="/wiki/Magic" title="Magic">magic</a> attacks<a href="/wiki/Darklight" title="Darklight">darklight</a>, <a href="/wiki/Silverlight" title="Silverlight">silverlight</a>, <a href="/wiki/Holy_water" title="Holy water">holy water</a>, <a href="/wiki/Crush" title="Crush" class="mw-redirect">crush</a> attacks, <a href="/wiki/Slash" title="Slash" class="mw-redirect">slash</a> attacks and <a href="/wiki/Magic" title="Magic">magic</a> attacks<a href="/wiki/Darklight" title="Darklight">darklight</a>, <a href="/wiki/Silverlight" title="Silverlight">silverlight</a>, [[holy]], <a href="/wiki/Crush" title="Crush" class="mw-redirect">crush</a> attacks, <a href="/wiki/Slash" title="Slash" class="mw-redirect">slash</a> attacks and <a href="/wiki/Magic" title="Magic">magic</a> attacks<a href="/wiki/Darklight" title="Darklight">darklight</a>, <a href="/wiki/Silverlight" title="Silverlight">silverlight</a>, <a href="/wiki/Holy_water" title="Holy water">holy water</a>, <a href="/wiki/Crush" title="Crush" class="mw-redirect">crush</a> attacks, <a href="/wiki/Slash" title="Slash" class="mw-redirect">slash</a> attacks and <a href="/wiki/Magic" title="Magic">magic</a> attacks<a href="/wiki/Darklight" title="Darklight">darklight</a>, <a href="/wiki/Silverlight" title="Silverlight">silverlight</a>, <a href="/wiki/Holy_water" title="Holy water">holy water</a>, <a href="/wiki/Crush" title="Crush" class="mw-redirect">crush</a> attacks, <a href="/wiki/Slash" title="Slash" class="mw-redirect">slash</a> attacks and <a href="/wiki/Magic" title="Magic">magic</a> attacks<a href="/wiki/Darklight" title="Darklight">darklight</a>, <a href="/wiki/Silverlight" title="Silverlight">silverlight</a>, <a href="/wiki/Holy_water" title="Holy water">holy water</a>, <a href="/wiki/Crush" title="Crush" class="mw-redirect">crush</a> attacks, <a href="/wiki/Slash" title="Slash" class="mw-redirect">slash</a> attacks and <a href="/wiki/Magic" title="Magic">magic</a> attacks<a href="/wiki/Darklight" title="Darklight">darklight</a>, <a href="/wiki/Silverlight" title="Silverlight">silverlight</a>, <a href="/wiki/Holy_water" title="Holy water">holy water</a>, <a href="/wiki/Crush" title="Crush" class="mw-redirect">crush</a> attacks, <a href="/wiki/Slash" title="Slash" class="mw-redirect">slash</a> attacks and <a href="/wiki/Magic" title="Magic">magic</a> attacks<a href="/wiki/Darklight" title="Darklight">darklight</a>, <a href="/wiki/Silverlight" title="Silverlight">silverlight</a>, <a href="/wiki/Holy_water" title="Holy water">holy water</a>, <a href="/wiki/Crush" title="Crush" class="mw-redirect">crush</a> attacks, [[]] attacks and <a href="/wiki/Magic" title="Magic">magic</a> attacks<a href="/wiki/Darklight" title="Darklight">darklight</a>, <a href="/wiki/Silverlight" title="Silverlight">silverlight</a>, <a href="/wiki/Holy_water" title="Holy water">holy water</a>, <a href="/wiki/Crush" title="Crush" class="mw-redirect">crush</a> attacks, <a href="/wiki/Slash" title="Slash" class="mw-redirect">slash</a> attacks and <a href="/wiki/Magic" title="Magic">magic</a> attacks<a href="/wiki/Darklight" title="Darklight">darklight</a>, <a href="/wiki/Silverlight" title="Silverlight">silverlight</a>, <a href="/wiki/Holy_water" title="Holy water">holy water</a>, [[]] attacks, <a href="/wiki/Slash" title="Slash" class="mw-redirect">slash</a> attacks and <a href="/wiki/Magic" title="Magic">magic</a> attacks<a href="/wiki/Darklight" title="Darklight">darklight</a>, <a href="/wiki/Silverlight" title="Silverlight">silverlight</a>, <a href="/wiki/Holy_water" title="Holy water">holy water</a>, <a href="/wiki/Crush" title="Crush" class="mw-redirect">crush</a> attacks, <a href="/wiki/Slash" title="Slash" class="mw-redirect">slash</a> attacks and <a href="/wiki/Magic" title="Magic">magic</a> attacks</span><a href="/wiki/Darklight" title="Darklight">Darklight</a>, <a href="/wiki/Silverlight" title="Silverlight">Silverlight</a>, <a href="/wiki/Holy_water" title="Holy water">Holy water</a>, <a href="/wiki/Crush" title="Crush" class="mw-redirect">Crush</a> attacks, <a href="/wiki/Slash" title="Slash" class="mw-redirect">Slash</a> attacks and <a href="/wiki/Magic" title="Magic">Magic</a> attacks
</td></tr>