RegularExpressions/App.config

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<configuration>
+    <startup> 
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2" />
+    </startup>
+</configuration>

RegularExpressions/Program.cs

@@ -0,0 +1,81 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Text.RegularExpressions;
+
+namespace RegularExpressions {
+    internal class Program {
+        static void Main(string[] args) {
+            /*Hivatalos dokumentáció a Regexről
+             *https://docs.microsoft.com/en-us/dotnet/standard/base-types/regular-expression-language-quick-reference
+             *https://docs.microsoft.com/en-us/dotnet/standard/base-types/regular-expressions
+             *https://docs.microsoft.com/en-us/dotnet/api/system.text.regularexpressions.regex?view=net-6.0
+             */
+
+            Regex regex = new Regex("^[1-9][0-9]*");
+            //a ^ karakter mondja meg hogy a strng elejétől kezdje
+            //a keretes zárójelen belül egy karakter sorozatot adunk meg, ezek között keresi a találatot (ennek a tagadása [^1-9])
+            //az első karakter sorozatot az első karakterrel vizsgálja a stringből
+            //a következö karaktersorozat pedig az utánna lévő karaktereket vizsgája
+            //a * nulla vagy több előfordulást jelent ebben az esetben a második karaktersorozatot nézi az első utáni összes karakterre
+            //a $ jel jelöli a string végét
+
+            string s1 = "012345";
+            string s2 = "112345";
+            string s3 = "2";
+
+            Console.WriteLine("{0} {1}",s1,(regex.IsMatch(s1) ? "természetes szám" : "nem természetes szám"));
+            Console.WriteLine("{0} {1}",s2,(regex.IsMatch(s2) ? "természetes szám" : "nem természetes szám"));
+            Console.WriteLine("{0} {1}",s3,(regex.IsMatch(s3) ? "természetes szám" : "nem természetes szám"));
+
+            ////////////////////////////////////////////////////////////////////////////////////////////////////
+            string s = @"^(\+)[1-9][0-9]{1,2}\s[1-9][0-9]{1,2}\s(\d{3}(-)){2}\d{3}$";
+            Regex pattern = new Regex(s);
+            //a @ azt jelöli hogy a string tartalmaz speciális karaktereket
+            //a + jel elé egy \ kell írni mivel speciális karakter és a Regex is használja
+            //a {1,2} az jelöli hogy a plusz jel után minimun egy de max két karakter állhat (az előtte lévő karaktersorozatra vonatkozik)
+            //a \s egy szóközt jelöl
+            //a \d számokat jelöl ez esetben (\d{3}) azt jelenti hogy 3 db szám jön egymás után pl: 123
+            //ez után következzen két db kötőjel és ez kétszer fordul elő
+            //majd a végén megismételjük a hármas számsorozatot csak a kötőjel nélkül
+
+            string ss1 = "+36 30 661-345-612";
+            string ss2 = "+3630 661-567-233";
+            string ss3 = "+56 30 667-876-987-456";
+            Console.WriteLine(pattern.IsMatch(ss1)); // true
+            Console.WriteLine(pattern.IsMatch(ss2)); // false
+            Console.WriteLine(pattern.IsMatch(ss3)); // false 
+
+
+            ///////////////////////////////////////////////////////////////////////////////////////////
+            //További felhasználási módok
+
+            //Egy string részének az átírása
+            string pattern2 = "(Mr\\.? |Mrs\\.? |Miss |Ms\\.? )";
+            string[] names = { "Mr. Henry Hunt", "Ms. Sara Samuels",
+                         "Abraham Adams", "Ms. Nicole Norris" };
+            foreach (string name in names)
+                Console.WriteLine(Regex.Replace(name, pattern2, String.Empty));
+
+
+            //    Henry Hunt
+            //    Sara Samuels
+            //    Abraham Adams
+            //    Nicole Norris
+
+
+            //Duplikáció keresés
+            string pattern3 = @"\b(\w+?)\s\1\b";
+            string input = "This this is a nice day. What about this? This tastes good. I saw a a dog.";
+            foreach (Match match in Regex.Matches(input, pattern3, RegexOptions.IgnoreCase))
+                Console.WriteLine("{0} (duplicates '{1}') at position {2}",
+                                  match.Value, match.Groups[1].Value, match.Index);
+
+
+
+            Console.ReadKey();
+        }
+    }
+}

RegularExpressions/Properties/AssemblyInfo.cs

@@ -0,0 +1,36 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("RegularExpressions")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("RegularExpressions")]
+[assembly: AssemblyCopyright("Copyright ©  2022")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible
+// to COM components.  If you need to access a type in this assembly from
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("b8063178-720e-430c-b364-dc3f1dfce42c")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]

RegularExpressions/RegularExpressions.csproj

@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{B8063178-720E-430C-B364-DC3F1DFCE42C}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <RootNamespace>RegularExpressions</RootNamespace>
+    <AssemblyName>RegularExpressions</AssemblyName>
+    <TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
+    <Deterministic>true</Deterministic>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Net.Http" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Program.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="App.config" />
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+</Project>

RegularExpressions/bin/Debug/RegularExpressions.exe.config

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<configuration>
+    <startup> 
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2" />
+    </startup>
+</configuration>

RegularExpressions/obj/Debug/.NETFramework,Version=v4.7.2.AssemblyAttributes.cs

@@ -0,0 +1,4 @@
+// <autogenerated />
+using System;
+using System.Reflection;
+[assembly: global::System.Runtime.Versioning.TargetFrameworkAttribute(".NETFramework,Version=v4.7.2", FrameworkDisplayName = ".NET Framework 4.7.2")]

RegularExpressions/obj/Debug/RegularExpressions.csproj.CoreCompileInputs.cache

@@ -0,0 +1 @@
+7f4b213b428f4c013f19137338418ee1f5525793

RegularExpressions/obj/Debug/RegularExpressions.csproj.FileListAbsolute.txt

@@ -0,0 +1,8 @@
+C:\dev\c#\RegularExpressions\bin\Debug\RegularExpressions.exe.config
+C:\dev\c#\RegularExpressions\bin\Debug\RegularExpressions.exe
+C:\dev\c#\RegularExpressions\bin\Debug\RegularExpressions.pdb
+C:\dev\c#\RegularExpressions\obj\Debug\RegularExpressions.csproj.AssemblyReference.cache
+C:\dev\c#\RegularExpressions\obj\Debug\RegularExpressions.csproj.SuggestedBindingRedirects.cache
+C:\dev\c#\RegularExpressions\obj\Debug\RegularExpressions.csproj.CoreCompileInputs.cache
+C:\dev\c#\RegularExpressions\obj\Debug\RegularExpressions.exe
+C:\dev\c#\RegularExpressions\obj\Debug\RegularExpressions.pdb

RekurzivHatvany/App.config

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<configuration>
+    <startup> 
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2" />
+    </startup>
+</configuration>

RekurzivHatvany/Program.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace RekurzivHatvany {
+    class Program {
+        public static double Hatvany(double x, double y) {
+            if (y == 0) return 1.0;
+            else return x * Hatvany(x, y - 1);
+        }
+
+        static void Main(string[] args) {
+            Console.WriteLine(Hatvany(2, 10));
+            Console.ReadKey();
+        }
+    }
+}

RekurzivHatvany/Properties/AssemblyInfo.cs

@@ -0,0 +1,36 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("RekurzivHatvany")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("RekurzivHatvany")]
+[assembly: AssemblyCopyright("Copyright ©  2022")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible
+// to COM components.  If you need to access a type in this assembly from
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("da385dd5-70ce-4750-bdf8-03915d70f5b9")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]

RekurzivHatvany/RekurzivHatvany.csproj

@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{DA385DD5-70CE-4750-BDF8-03915D70F5B9}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <RootNamespace>RekurzivHatvany</RootNamespace>
+    <AssemblyName>RekurzivHatvany</AssemblyName>
+    <TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
+    <Deterministic>true</Deterministic>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Net.Http" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Program.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="App.config" />
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+</Project>

RekurzivHatvany/bin/Debug/RekurzivHatvany.exe.config

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<configuration>
+    <startup> 
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2" />
+    </startup>
+</configuration>

RekurzivHatvany/obj/Debug/.NETFramework,Version=v4.7.2.AssemblyAttributes.cs

@@ -0,0 +1,4 @@
+// <autogenerated />
+using System;
+using System.Reflection;
+[assembly: global::System.Runtime.Versioning.TargetFrameworkAttribute(".NETFramework,Version=v4.7.2", FrameworkDisplayName = ".NET Framework 4.7.2")]

RekurzivHatvany/obj/Debug/RekurzivHatvany.csproj.CoreCompileInputs.cache

@@ -0,0 +1 @@
+7f4b213b428f4c013f19137338418ee1f5525793

RekurzivHatvany/obj/Debug/RekurzivHatvany.csproj.FileListAbsolute.txt

@@ -0,0 +1,7 @@
+C:\dev\c#\c-sharp\RekurzivHatvany\bin\Debug\RekurzivHatvany.exe.config
+C:\dev\c#\c-sharp\RekurzivHatvany\bin\Debug\RekurzivHatvany.exe
+C:\dev\c#\c-sharp\RekurzivHatvany\bin\Debug\RekurzivHatvany.pdb
+C:\dev\c#\c-sharp\RekurzivHatvany\obj\Debug\RekurzivHatvany.csproj.AssemblyReference.cache
+C:\dev\c#\c-sharp\RekurzivHatvany\obj\Debug\RekurzivHatvany.csproj.CoreCompileInputs.cache
+C:\dev\c#\c-sharp\RekurzivHatvany\obj\Debug\RekurzivHatvany.exe
+C:\dev\c#\c-sharp\RekurzivHatvany\obj\Debug\RekurzivHatvany.pdb

c-sharp.sln

@@ -1,7 +1,7 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio Version 17
-VisualStudioVersion = 17.0.32126.317
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.32106.194
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "c-sharp", "c-sharp\c-sharp.csproj", "{A6876A09-53D2-47AF-A648-81BAD791D19D}"
 EndProject
@@ -17,6 +17,12 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BuborekRendezes", "BuborekR
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "RekurzivFaktorialis", "RekurzivFaktorialis\RekurzivFaktorialis.csproj", "{F7BEEB1C-EB73-42E8-A148-3DB8C96B8D56}"
 EndProject
+<<<<<<< HEAD
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "RegularExpressions", "RegularExpressions\RegularExpressions.csproj", "{B8063178-720E-430C-B364-DC3F1DFCE42C}"
+=======
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "RekurzivHatvany", "RekurzivHatvany\RekurzivHatvany.csproj", "{DA385DD5-70CE-4750-BDF8-03915D70F5B9}"
+>>>>>>> c1046619c649e6be76c3e8746f0c75af47881513
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -51,6 +57,17 @@ Global
 		{F7BEEB1C-EB73-42E8-A148-3DB8C96B8D56}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{F7BEEB1C-EB73-42E8-A148-3DB8C96B8D56}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{F7BEEB1C-EB73-42E8-A148-3DB8C96B8D56}.Release|Any CPU.Build.0 = Release|Any CPU
+<<<<<<< HEAD
+		{B8063178-720E-430C-B364-DC3F1DFCE42C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{B8063178-720E-430C-B364-DC3F1DFCE42C}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{B8063178-720E-430C-B364-DC3F1DFCE42C}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{B8063178-720E-430C-B364-DC3F1DFCE42C}.Release|Any CPU.Build.0 = Release|Any CPU
+=======
+		{DA385DD5-70CE-4750-BDF8-03915D70F5B9}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{DA385DD5-70CE-4750-BDF8-03915D70F5B9}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{DA385DD5-70CE-4750-BDF8-03915D70F5B9}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{DA385DD5-70CE-4750-BDF8-03915D70F5B9}.Release|Any CPU.Build.0 = Release|Any CPU
+>>>>>>> c1046619c649e6be76c3e8746f0c75af47881513
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE