using System;
using System.Text.RegularExpressions;
public class Example
{
public static void Main()
{
string pattern = @"getObj\(""Frm_Logintoken""\).value = ""(.*)"";";
string input = @"
<!DOCTYPE html PUBLIC ""-//W3C//DTD XHTML 1.0 Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd""><html xmlns=""http://www.w3.org/1999/xhtml"">
<head>
<META HTTP-EQUIV=""pragma"" CONTENT=""no-cache"">
<META HTTP-EQUIV=""Cache-Control"" CONTENT=""no-cache, must-revalidate"">
<meta http-equiv=""Content-Type"" content=""text/html; charset=iso-8859-1"" />
<title>ZXHN H108N V2.5</title>
<LINK REL=""stylesheet"" HREF=""css/login.css"" TYPE=""text/css"" />
<LINK REL=""stylesheet"" HREF=""css/styleen.css"" TYPE=""text/css"" />
<script>
function getObj(id)
{
return(document.getElementById(id));
}
var SetTFlag = 0;
var maxtime;
var interval;
function setTime()
{
if(window.name>=60 || window.name<0 || window.name=="")
{
maxtime = Math.min(60, 0 + 60 - 218143);
}
else
{
maxtime = window.name;
}
if(maxtime>=0)
{
seconds = maxtime;
getObj(""time"").innerHTML=seconds+"" secs"";
if (maxtime == 0)
{
setDisable();
SetTFlag =0;
window.name="";
if(interval)
{
clearInterval(interval);
interval = 0;
}
}
else
{
--maxtime;
SetTFlag = 1;
window.name = maxtime;
}
}
}
function setinner(type)
{
if (SetTFlag ==0)
{
getObj(""myLayer"").style.visibility = type ;
}
}
function Transfer_meaning(id,value)
{
getObj(id).value=value;
}
function ChangeLang()
{
var lang = ""English"";
getObj(""_lang"").disabled = false;
getObj(""Frm_Username"").disabled = true;
getObj(""Frm_Password"").disabled = true;
if(true != getObj(""TestLang01"").disabled)
{
if (""English"" == lang)
{
getObj(""_lang"").value = ""Chinese"";
}
else if (""Chinese"" == lang)
{
getObj(""_lang"").value = ""English"";
}
getObj(""action"").value = ""setlang"";
getObj(""Frm_Username"").disabled = true;
getObj(""Frm_Password"").disabled = true;
getObj(""LoginId"").disabled = true;
document.fLogin.submit();
}
}
</script>
</head>
<body>
<div id=""container"">
<div id=""myLayer"" onmousedown=""setinner('hidden')"" style=""position:absolute; width:185px; height:91px; z-index:9; right: 50px; top: 140px; background: url(img/pop_up.gif) no-repeat; border: 1px none #000000; visibility: hidden;"">
<div id=""Layer1"" style=""position:absolute; width:180px; height:45px; z-index:10; left: 2px; top: 28px;"">
<table width=""183"" border=""0"">
<tr>
<td width=""183""> <font id=""errmsg"" class=""notecontent"" ></font><span id=""time"" style=""color:red;display:none;""></span></td>
</tr>
</table>
</div>
<div id=""Layer3"" style=""position:absolute; width:140px; height:10px; z-index:11; left: 34px; top: 9px; font-size: 8pt;"">
<font class=""note"" id=""errnote""> Error</font>
</div>
</div>
<!--head²¿·Ö¿ªÊ¼-->
<div id=""head"">
<div class=""type""><font id="">ZXHN H108N V2.5</font></div>
<div id=""banner"" style=""background-image:url(img/banner.gif); background-repeat:no-repeat""></div>
</div>
<!--head²¿·Ö½áÊø-->
<!--content²¿·Ö¿ªÊ¼-->
<div id=""loginArea"">
<form name=""fLogin"" id=""fLogin"" method=""post"" onsubmit=""return false;"" action="">
<input type=""hidden"" name=""_lang"" id=""_lang"" value="" disabled>
<input type=""hidden"" name=""frashnum"" id=""frashnum"" value="">
<input type=""hidden"" name=""action"" id=""action"" value=""login"">
<input type=""hidden"" name=""Frm_Logintoken"" id=""Frm_Logintoken"" value="">
<!--ÄÚÈÝ¿ªÊ¼-->
<div class=""login_frame"">
<ul class=""login_title"">
<li class=""login_title_left""></li>
<li class=""login_title_center"">Please login to continue...</li>
<li class=""login_title_right""></li>
</ul>
<div class=""content login_content"">
<ul class=""login_blank""></ul>
<ul class=""login_ul_1"">
<li class=""login_li_1""><span>Username</span></li>
<li class=""login_li_2"">
<input type=""text"" class=""username"" name=""Username"" id=""Frm_Username"">
</li>
</ul>
<ul class=""login_blank""></ul>
<ul class=""login_ul_1"">
<li class=""login_li_1""><span>Password</span></li>
<li class=""login_li_2"">
<input type=""password"" class=""password"" name=""Password"" id=""Frm_Password"">
</li>
<li class=""login_li_3"">
<input class=""login"" type=""submit"" id=""LoginId"" value=""Login"" onclick=""dosubmit()"">
</li>
</ul>
</div>
</div>
<!--ÄÚÈݽáÊø-->
</form>
</div>
<!--bottom²¿·Ö¿ªÊ¼-->
<div style=""font-family: Arial;font-size: 12px;text-align:center;""> © 2008-2015 ZTE Corporation. All rights reserved </div>
<div class=""bottom_line""></div>
<div id=""bottomx""></div>
<!--bottom²¿·Ö½áÊø-->
</div>
</body>
</html>
<script>
window.name="";
function SetDisabled()
{
getObj(""errmsg"").innerHTML = ""You have input the wrong username or password for three times. Please try again a minute later."";
getObj(""Frm_Username"").disabled = true;
getObj(""Frm_Password"").disabled = true;
getObj(""LoginId"").disabled = true;
getObj(""myLayer"").style.visibility = ""visible"" ;
getObj(""time"").style.display = "" ;
interval = setInterval(""setTime()"",1000);
}
function setDisable()
{
if (SetTFlag == 1)
{
getObj(""Frm_Username"").disabled = false;
getObj(""Frm_Password"").disabled = false;
getObj(""LoginId"").disabled = false;
getObj(""time"").style.display = ""none"";
getObj(""myLayer"").style.visibility = ""hidden"";
}
}
function dosubmit()
{
if (getObj(""Frm_Username"").value == "")
{
getObj(""errmsg"").innerHTML = ""Username cannot be empty."";
getObj(""myLayer"").style.visibility = ""visible"" ;
return;
}
else
{
getObj(""LoginId"").disabled = true;
getObj(""Frm_Logintoken"").value = ""7"";
document.fLogin.submit();
}
}
</script>
";
foreach (Match m in Regex.Matches(input, pattern))
{
Console.WriteLine("'{0}' found at index {1}.", m.Value, m.Index);
}
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for C#, please visit: https://msdn.microsoft.com/en-us/library/system.text.regularexpressions.regex(v=vs.110).aspx