From d0845536007a68c38512f048c2a8b34e7a9400fa Mon Sep 17 00:00:00 2001
From: Jack Kanarish <jack.kanarish@wedoresi.com>
Date: Thu, 1 Nov 2018 17:28:27 -0400
Subject: [PATCH] fix: fix an issue where use of except causes phone numbers
 with repeat digits to be improperly truncated

---
 ICD.Common.Utils/Extensions/StringExtensions.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ICD.Common.Utils/Extensions/StringExtensions.cs b/ICD.Common.Utils/Extensions/StringExtensions.cs
index 0496bb3..6034ae0 100644
--- a/ICD.Common.Utils/Extensions/StringExtensions.cs
+++ b/ICD.Common.Utils/Extensions/StringExtensions.cs
@@ -162,8 +162,9 @@ namespace ICD.Common.Utils.Extensions
 
 			if (characters == null)
 				throw new ArgumentNullException("characters");
+			var cSet = characters.ToIcdHashSet();
 
-			return new string(extends.Except(characters).ToArray());
+			return new string(extends.Where(c => !cSet.Contains(c)).ToArray());
 		}
 
 		/// <summary>