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                    | 
                        Title | 
                    
                        Test
                        Details
                        
                        
                            Pattern Title
                        
                     | 
                
                
                    | 
                        Expression | 
                    
                         
                            ^[A-CEGHJ-PR-TW-Z]{1}[A-CEGHJ-NPR-TW-Z]{1}[0-9]{6}[A-DFM]{0,1}$
                         
                     | 
                
                
                    | 
                        Description | 
                    
                         UK National Insurance Number (NINo) validation. The following modifications have been made: The first letter may not be D, F, I, Q, U or Z; the second letter may not be D, F, I, O, Q, U or Z; the final letter is optional. 
                     | 
                
                
                    | 
                        Matches | 
                    
                         JG103759A | AP019283D | ZX047829C 
                     | 
                
                
                    | 
                        Non-Matches | 
                    
                         DC135798A | FQ987654C | KL192845T 
                     | 
                
                
                    | 
                        Author | 
                    
                        Rating:
                            
 
                        
                            Chris Wicks
                        
                     | 
                
            
        
    
        
        
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