Updates to ParseLinksUtility

Adds support for hyphinated host names in ParseLinksUtility
Exposes ParseLinksUtility as public

Original feature request/bug report can be found here: #2

Author: SendSafely-GitHub

SendsafelyAPI/Utilities/ParseLinksUtility.cs

@@ -5,10 +5,17 @@
 
 namespace SendSafely.Utilities
 {
-    class ParseLinksUtility
+    /// <summary>
+    /// Utility for extracting a list of valid SendSafely package links from text input.
+    /// </summary>
+    public class ParseLinksUtility
     {
-        private String REGEX = "(https:\\/\\/[a-zA-Z\\.]+\\/receive\\/\\?[A-Za-z0-9&=\\-]+packageCode=[A-Za-z0-9\\-_]+#keyCode=[A-Za-z0-9\\-_]+)";
+        private String REGEX = "(https:\\/\\/[a-zA-Z\\.-]+\\/receive\\/\\?[A-Za-z0-9&=\\-]+packageCode=[A-Za-z0-9\\-_]+#keyCode=[A-Za-z0-9\\-_]+)";
 
+        /// <summary>
+        /// Extract a list of valid SendSafely package links from text.
+        /// </summary>
+        /// <param name="text"> The text input that you want to check for package links.</param>
         public List<String> Parse(String text)
         {
             List<String> links = new List<String>();
@@ -21,10 +28,10 @@ public List<String> Parse(String text)
                 {
                     links.Add(match.Value);
                 }
-                   
+
             }
 
-		    return links;
+            return links;
         }
     }
-}
+}