Added RegEx Snippet

Author: aleshotkotp

CSharp Code Samples/CodeSamples/Attributes/CustomAttributesSample.cs

@@ -0,0 +1,22 @@
+using System;
+
+namespace CodeSamples.Attributes
+{
+    [AttributeUsage(AttributeTargets.Property)]
+    internal sealed class DefaultValueAttribute : Attribute
+    {
+        private int _defaultValue;
+
+        public DefaultValueAttribute(int defaultValue)
+        {
+            _defaultValue = defaultValue;
+        }
+    }
+
+
+    public class CustomAttributesSample
+    {
+        [DefaultValue(5)]
+        public int SomeProperty { get; set; }
+    }
+}

CSharp Code Samples/CodeSamples/Attributes/DebuggingSample.cs

@@ -67,7 +67,7 @@ sealed class DebuggerExamplesDebuggerDisplay
         public string StringValue { get; set; } = "SomeStringValue";
         public int GetIntValue()
         {
-            return 5*2;
+            return 5 * 2;
         }
 
         /// <summary>
@@ -106,6 +106,7 @@ public void RuntimeDebuggerAttached()
         {
             string debuggerAttached = Debugger.IsAttached ? "is" : "is not";
             Console.WriteLine($"Runtime Debugger Checking: Debugger {debuggerAttached} attached");
+            Console.WriteLine($"Assuming we're running {(Debugger.IsAttached ? "from IDE" : "standalone")}");
         }
 
         [DebuggerStepThrough]

CSharp Code Samples/CodeSamples/CodeSamples.csproj

@@ -63,6 +63,7 @@
     <Compile Include="Alterations\EntityConversionSample.cs" />
     <Compile Include="Alterations\OperatorOverloadingSample.cs" />
     <Compile Include="Attributes\ConditionalSample.cs" />
+    <Compile Include="Attributes\CustomAttributesSample.cs" />
     <Compile Include="Attributes\ObsoleteSample.cs" />
     <Compile Include="Classes\AccessModifiersSample.cs" />
     <Compile Include="Classes\AnonymousTypesSample.cs" />
@@ -104,6 +105,7 @@
       <DesignTimeSharedInput>True</DesignTimeSharedInput>
       <DependentUpon>Settings.settings</DependentUpon>
     </Compile>
+    <Compile Include="RegularExpressions\RegExSample.cs" />
     <Compile Include="SampleExecute.cs" />
     <Compile Include="Settings.cs" />
     <Compile Include="Settings\ConfigurationManagerSnippets.cs" />

CSharp Code Samples/CodeSamples/Program.cs

@@ -8,6 +8,7 @@
 using CodeSamples.Files;
 using CodeSamples.MultiThreading;
 using CodeSamples.Patterns;
+using CodeSamples.RegularExpressions;
 using CodeSamples.Settings;
 using CodeSamples.SOLID.S01_SingleResponsibilityPrinciple_SRP;
 using CodeSamples.SOLID.S04_InversionOfControl_IoC;
@@ -193,6 +194,11 @@ static void Main(string[] args)
             collectionInitializerSamples.Execute();
             #endregion
 
+            #region [Regular Expressions]
+            var regularExpressionSample = new RegExSample();
+            regularExpressionSample.Execute();
+            #endregion
+
             Console.WriteLine();
             Console.WriteLine("End Code Samples");
 

CSharp Code Samples/CodeSamples/RegularExpressions/RegExSample.cs

@@ -0,0 +1,27 @@
+using System;
+using System.Text.RegularExpressions;
+
+namespace CodeSamples.RegularExpressions
+{
+    public class RegExSample : SampleExecute
+    {
+        private void IsMatchSnipet()
+        {
+            string pattern = @"^This sentence";
+            string sentenceYes = $"This sentence is a match.";
+            string sentenceNo = $"This weird sentence is not a match.";
+
+            Console.WriteLine($"The sentence '{sentenceYes}' is {(Regex.IsMatch(sentenceYes, pattern) ? "" : "not")} a match to pattern '{pattern}'");
+            Console.WriteLine($"The sentence '{sentenceNo}' is {(Regex.IsMatch(sentenceNo, pattern) ? "" : "not")} a match to pattern '{pattern}'");
+        }
+
+        public override void Execute()
+        {
+            Title("RegExSampleExecute");
+
+            IsMatchSnipet();
+
+            Finish();
+        }
+    }
+}