Checks for the existence of a required header in a string.

ID: 1341

See: Advanced Data Validation with the Transformer 
				
					using uCalcSoftware;

var uc = new uCalc();
using (var t = new uCalc.Transformer()) {
   var text_ok = "Header: OK";
   var text_fail = "Header: ERROR";

   // This rule only matches if the status is "OK"
   t.Pattern("Header: OK");

   // Find() returns the transformer, so we can chain Matches().Count()
   if (t.SetText(text_ok).Find().Matches.Count() > 0) {
      Console.WriteLine("text_ok is valid.");
   }

   if (t.SetText(text_fail).Find().Matches.Count() == 0) {
      Console.WriteLine("text_fail is invalid.");
   }
}
				
			
text_ok is valid.
text_fail is invalid.
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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
      auto text_ok = "Header: OK";
      auto text_fail = "Header: ERROR";

      // This rule only matches if the status is "OK"
      t.Pattern("Header: OK");

      // Find() returns the transformer, so we can chain Matches().Count()
      if (t.SetText(text_ok).Find().Matches().Count() > 0) {
         cout << "text_ok is valid." << endl;
      }

      if (t.SetText(text_fail).Find().Matches().Count() == 0) {
         cout << "text_fail is invalid." << endl;
      }
   }
}
				
			
text_ok is valid.
text_fail is invalid.
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()
         Dim text_ok = "Header: OK"
         Dim text_fail = "Header: ERROR"
         
         '// This rule only matches if the status is "OK"
         t.Pattern("Header: OK")
         
         '// Find() returns the transformer, so we can chain Matches().Count()
         If t.SetText(text_ok).Find().Matches.Count() > 0 Then
            Console.WriteLine("text_ok is valid.")
         End If
         
         If t.SetText(text_fail).Find().Matches.Count() = 0 Then
            Console.WriteLine("text_fail is invalid.")
         End If
      End Using
   End Sub
End Module
				
			
text_ok is valid.
text_fail is invalid.
Explore 600+ other examples