Extracting a single key-value pair from a query string.

ID: 1398

See: Project: Building a Custom Query String Parser 
				
					using uCalcSoftware;

var uc = new uCalc();
using (var t = new uCalc.Transformer()) {
   // Define a rule to find a key-value pair
   t.FromTo("{@Alphanumeric:key}={@Alphanumeric:val}", "Key: {key}, Value: {val}");

   // Process a simple query string
   Console.WriteLine(t.Transform("user=admin"));
}
				
			
Key: user, Value: admin
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					#include <iostream>
#include "uCalc.h"

using namespace std;
using namespace uCalcSoftware;

int main() {
   uCalc uc;
   {
      uCalc::Transformer t;
      t.Owned(); // Causes t to be released when it goes out of scope
      // Define a rule to find a key-value pair
      t.FromTo("{@Alphanumeric:key}={@Alphanumeric:val}", "Key: {key}, Value: {val}");

      // Process a simple query string
      cout << t.Transform("user=admin") << endl;
   }
}
				
			
Key: user, Value: admin
Explore 600+ other examples
				
					Imports System
Imports uCalcSoftware
Public Module Program
   Public Sub Main()
      Dim uc As New uCalc()
      Using t As New uCalc.Transformer()
         '// Define a rule to find a key-value pair
         t.FromTo("{@Alphanumeric:key}={@Alphanumeric:val}", "Key: {key}, Value: {val}")
         
         '// Process a simple query string
         Console.WriteLine(t.Transform("user=admin"))
      End Using
   End Sub
End Module
				
			
Key: user, Value: admin
Explore 600+ other examples