| Title | Test
                    Find
                    
                    Accounts Office Reference | 
            
                | Expression | [0-9]{3}P[A-Z][0-9]{7}[0-9X] | 
            
                | Description | HMRC Accounts Office Reference (AORef) in format 
3digits, the letter P and another letter followed by 7 digits and either an 8th digit or letter X | 
            
                | Matches | 123PA12345678|451PW1234523X | 
            
                | Non-Matches | A01PA12345678|123RA1234567X | 
            
                | Author | Rating:
                        
Not yet rated.
                    PJWhitfield | 
            
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