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I’ve tried to port Query Parser written in JScript from Integrating User Search with ASP and Microsoft SQL Server Full-text Search to C#. The “Converting JScript.NET to C#” tool is quite useful, but doesn’t do all the job. I wanted to understand  RegExp properties , but MSDN JScript  help example doesn’t show output. So I’ve wrote simple exampleRun.js using WScript.Echo:

WScript.Echo (matchDemo());

function matchDemo(){

   var s;

   var re = new RegExp("d(b+)(d)","ig");

   var str = "cdbBdbsbdbdz";

   var arr = re.exec(str);

   s = "$1 contains: " + RegExp.$1 + "\n";

   s += "$2 contains: " + RegExp.$2 + "\n";

   s += "$3 contains: " + RegExp.$3 + "\n";

   s += "input returns : " + RegExp.input + "\n";

   s += "lastMatch returns: " + RegExp.lastMatch + "\n";

   s += "leftContext returns: " + RegExp.leftContext + "\n";

   s += "rightContext returns: " + RegExp.rightContext + "\n";

   s += "lastParen returns: " + RegExp.lastParen + "\n";



Which produces the following output
$1 contains: bB

$2 contains: d

$3 contains:

input returns : cdbBdbsbdbdz

lastMatch returns: dbBd

leftContext returns: c

rightContext returns: bsbdbdz

lastParen returns: d

Update: I’ve noticed,that MSDN Jscript.NET  help includes the output, which is quite nice.

Posted on Wednesday, June 21, 2006 7:53 AM .Net Framework | Back to top

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