Adding LeafInput

Core/Utility/StringExtensions.cs

@@ -1,4 +1,5 @@
-using System.Globalization;
+using System;
+using System.Globalization;
 using System.Linq;
 
 namespace LeafWeb.Core.Utility
@@ -12,5 +13,16 @@ namespace LeafWeb.Core.Utility
 				(current, c) =>
 				current + (char.IsUpper(c) && current.Length > 0 ? " " + c : c.ToString(CultureInfo.InvariantCulture)));
 		}
+
+		public static string LowercaseFirst(string s)
+		{
+			// Check for empty string.
+			if (string.IsNullOrEmpty(s))
+			{
+				return string.Empty;
+			}
+			// Return char and concat substring.
+			return char.ToLowerInvariant(s[0]) + s.Substring(1);
+		}
 	}
 }