Merge pull request #5060 from IvenBach/CorrectMinorIssues

Correct minor issues

Author: rkapka

Rubberduck.Core/UI/Controls/SearchBox.xaml.cs

@@ -54,12 +54,12 @@ public string Hint
             }
         }
 
-        public ICommand ClearSearchCommand => new DelegateCommand(LogManager.GetCurrentClassLogger(), (arg) => Text = "");
+        public ICommand ClearSearchCommand => new DelegateCommand(LogManager.GetCurrentClassLogger(), (arg) => Text = string.Empty);
 
         public SearchBox()
         {
             // design instance!
-            Text = "";
+            Text = string.Empty;
             Hint = "Search";
             Width = 300;
             Height = 25;

Rubberduck.Core/UI/RegexAssistant/RegexAssistantViewModel.cs

@@ -165,7 +165,7 @@ private static TreeViewItem AsTreeViewItem(SingleAtomExpression expression)
             // no other Atom has Subexpressions we care about
             if (expression.Atom.GetType() == typeof(Group))
             {
-                result.Items.Add(AsTreeViewItem((dynamic)((expression.Atom) as Group).Subexpression));
+                result.Items.Add(AsTreeViewItem((dynamic)(expression.Atom as Group).Subexpression));
             }
 
             return result;

Rubberduck.RegexAssistant/Atoms/Group.cs

@@ -1,8 +1,6 @@
 using Rubberduck.RegexAssistant.i18n;
 using Rubberduck.VBEditor;
 using System;
-using System.Collections.Generic;
-using System.Text.RegularExpressions;
 
 namespace Rubberduck.RegexAssistant.Atoms
 {

Rubberduck.RegexAssistant/Expressions/ConcatenatedExpression.cs

@@ -16,7 +16,7 @@ public ConcatenatedExpression(IList<IRegularExpression> subexpressions)
 
         public IList<IRegularExpression> Subexpressions { get; }
 
-        public override string ToString() => $"Concatenated:{Subexpressions.ToString()}";
+        public override string ToString() => $"Concatenated:{Subexpressions}";
         public override bool Equals(object obj) => obj is ConcatenatedExpression other && Subexpressions.Equals(other.Subexpressions);
         public override int GetHashCode() => HashCode.Compute(Subexpressions);
     }

Rubberduck.RegexAssistant/Expressions/SingleAtomExpression.cs

@@ -18,7 +18,7 @@ public SingleAtomExpression(IAtom atom)
         public IList<IRegularExpression> Subexpressions => new List<IRegularExpression>(Enumerable.Empty<IRegularExpression>());
 
 
-        public override string ToString() => $"Atom: {Atom.ToString()}";
+        public override string ToString() => $"Atom: {Atom}";
         public override bool Equals(object obj) => obj is SingleAtomExpression other && other.Atom.Equals(Atom);
         public override int GetHashCode() => Atom.GetHashCode();
     }

Rubberduck.RegexAssistant/QuantifierExtensions.cs

@@ -31,7 +31,7 @@ public static string HumanReadable(this Quantifier quant)
                     }
                     return string.Format(AssistantResources.Quantifier_ClosedRange, quant.MinimumMatches, quant.MaximumMatches);
             }
-            return "";
+            return string.Empty;
         }
     }
 }