Added search columns with similar names

src/LinqToExcel.Tests/ColumnMappings_IntegrationTests.cs

@@ -139,6 +139,22 @@ public void annotated_properties_map_to_columns()
             Assert.AreEqual("N", rival.IsActive, "IsActive");
         }
 
+        [Test]
+        public void annotated_properties_map_to_similar_columns()
+        {
+            var companies = from c in _repo.Worksheet<CompanyWithSimilarColumnsAnnotations>(_worksheetName)
+                            where c.Name == "Taylor University"
+                            select c;
+
+            var rival = companies.ToList().First();
+            Assert.AreEqual(1, companies.ToList().Count, "Result Count");
+            Assert.AreEqual("Taylor University", rival.Name, "Name");
+            Assert.AreEqual("Your Mom", rival.CEO, "CEO");
+            Assert.AreEqual(400, rival.EmployeeCount, "EmployeeCount");
+            Assert.AreEqual(new DateTime(1988, 7, 26), rival.StartDate, "StartDate");
+            Assert.AreEqual("N", rival.IsActive, "IsActive");
+        }
+
         [Test]
         public void two_transformations_with_the_same_property_but_in_different_types()
         {

src/LinqToExcel.Tests/CompanyWithSimilarColumnsAnnotations.cs

@@ -0,0 +1,23 @@
+using System;
+using LinqToExcel.Attributes;
+
+namespace LinqToExcel.Tests
+{
+    public class CompanyWithSimilarColumnsAnnotations
+    {
+        [ExcelColumn(new[] { "Company Title", "Company", "Business Title" })]
+        public string Name { get; set; }
+
+        [ExcelColumn(new[] { "Boss", "Head", "Executive" })]
+        public string CEO { get; set; }
+
+        [ExcelColumn(new[] { "Number People", "People Count" })]
+        public int EmployeeCount { get; set; }
+
+        [ExcelColumn(new[] { "Initiation Date", "Init Date" })]
+        public DateTime StartDate { get; set; }
+
+        [ExcelColumn(new[] { "Active", "Is Active" })]
+        public string IsActive { get; set; }
+    }
+}

src/LinqToExcel/Attributes/ExcelColumnAttribute.cs

@@ -1,4 +1,8 @@
 using System;
+using System.Linq;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Globalization;
 
 namespace LinqToExcel.Attributes
 {
@@ -7,15 +11,42 @@ public sealed class ExcelColumnAttribute : Attribute
     {
         private readonly string _columnName;
 
-        public ExcelColumnAttribute(string columnName)
+        private readonly string[] _similarColumnNames;
+        private readonly bool _forceToSimilar;
+
+        private readonly Regex pattern = new Regex(@"(?:( +[d|n](o|e|a|os|as))|( +(?:a(?:nd?)?|the|to|[io]n|from|with|of|for))) +| +|_+|-+|'+|`+");
+
+        public ExcelColumnAttribute(string columnName, string[] similarColumnNames = null, bool forceToSimilar = false)
         {
             _columnName = columnName;
+            _similarColumnNames = similarColumnNames;
+            _forceToSimilar = forceToSimilar;
         }
 
+        public ExcelColumnAttribute(string[] similarColumnNames, bool forceToSimilar = true): this(null, similarColumnNames, forceToSimilar) { }
+
         public string ColumnName
         {
             get { return _columnName; }
         }
 
+        public bool IsForced
+        {
+            get { return _forceToSimilar; }
+        }
+
+        public bool HasSimilarColumn(string columnName)
+        {
+            return !string.IsNullOrEmpty(_similarColumnNames?.ToList().Find(x => Clear(x) == Clear(columnName)));
+        }
+
+        private string Clear(string s)
+        {
+            s = new string(s.Normalize(NormalizationForm.FormD)
+                            .Where(ch => CharUnicodeInfo.GetUnicodeCategory(ch) != UnicodeCategory.NonSpacingMark)
+                            .ToArray());
+
+            return pattern.Replace(s.Trim().ToLower(), "");
+        }
     }
 }

src/LinqToExcel/LinqToExcel.csproj

@@ -30,7 +30,7 @@
 
   <ItemGroup>
     <PackageReference Include="Remotion.Linq" Version="2.2.0" />
-    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0-beta2-18618-05" PrivateAssets="All" />
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="All" />
   </ItemGroup>
 
   <ItemGroup>

src/LinqToExcel/Query/ExcelQueryable.cs

@@ -27,7 +27,11 @@ internal ExcelQueryable(ExcelQueryArgs args, ILogManagerFactory logManagerFactor
                 ExcelColumnAttribute att = (ExcelColumnAttribute)Attribute.GetCustomAttribute(property, typeof(ExcelColumnAttribute));
                 if (att != null && !args.ColumnMappings.ContainsKey(property.Name))
                 {
-                    args.ColumnMappings.Add(property.Name, att.ColumnName);
+                    var columnNames = ExcelUtilities.GetColumnNames(args);
+
+                    args.ColumnMappings.Add(property.Name, !att.IsForced ? 
+                        att.ColumnName : 
+                        columnNames.ToList().Find(x => att.HasSimilarColumn(x))??att.ColumnName);
                 }
             }
         }