Error:
System.ArgumentNullException: Value cannot be null.
Parameter name: input
at System.Text.RegularExpressions.Regex.IsMatch(String input)
at Phamhilator.PostAnalyser.AnaylsePost(Post post, BlackFilter blackTerms, WhiteFilter whiteTerms, FilterClass filterType) in c:\Users\Samuel\Documents\GitHub\Phamhilator\Phamhilator\PostAnalyser.cs:line 70
at Phamhilator.PostAnalyser.AnalyseQuestion(Question question) in c:\Users\Samuel\Documents\GitHub\Phamhilator\Phamhilator\PostAnalyser.cs:line 28
at Phamhilator.Program.<InitialiseSocket>b__c(Object o, MessageEventArgs message) in c:\Users\Samuel…