Trim input in TryParseFeetInches()

Author: angularsen

UnitsNet.Tests/CustomCode/LengthTests.FeetInches.cs

@@ -54,6 +54,7 @@ public void FeetInchesRoundTrip()
         [InlineData("1″", 0.08333333)] // Inches only
         [InlineData("1' 1\"", 1.08333333)] // Normal form
         [InlineData("1′ 1″", 1.08333333)] // Normal form
+        [InlineData(" 1′ 1″ ", 1.08333333)] // Normal form, requires trimming
         [InlineData("1'1\"", 1.08333333)] // Without space
         [InlineData("1′1″", 1.08333333)] // Without space
         [InlineData("1 ft 1 in", 1.08333333)]

UnitsNet/CustomCode/Quantities/Length.extra.cs

@@ -114,7 +114,7 @@ public static bool TryParseFeetInches(string str, out Length result, IFormatProv
             // Match entire string exactly
             string pattern = $@"^(?<feet>{footRegex})\s?(?<inches>{inchRegex})$";
 
-            var match = new Regex(pattern, RegexOptions.Singleline).Match(str);
+            var match = new Regex(pattern, RegexOptions.Singleline).Match(str.Trim());
             if (!match.Success) return false;
 
             var feetGroup = match.Groups["feet"];