| Title | 
                
                    Test
                    Find
                    
                    Pattern Title
                 | 
            
            
                | Expression | 
                ^[A-Za-z]{1,2}[0-9A-Za-z]{1,2}[ ]?[0-9]{0,1}[A-Za-z]{2}$  | 
            
            
                | Description | 
                This regular expression can be used to validate UK postcodes. Especially useful if want to provide a client side validation on a web site.  | 
            
            
                | Matches | 
                SW112LE | SW11 2LE | CR05LE  | 
            
            
                | Non-Matches | 
                12CR0LE | 12CR 0LE | SWLE05  | 
            
            
                | Author | 
                
                    Rating:
                        
 
                    Santosh Potadar
                 | 
            
            
                | Source | 
                 | 
            
            
              | Your Rating | 
              
                
		       | 
            
        
    
 
    
    
     
        
                
	                Title: Great
	                Name: Crusader
	                Date: 6/30/2006 4:25:21 AM
	                Comment: 
great regex, not too restrictive. I mean you don't want to throw every invalid submission away, otherwise you could be losing enquiries.
Thanks for the Regex....
                
                
            
                
	                Title: Not very good
	                Name: Howard
	                Date: 4/16/2005 6:43:28 AM
	                Comment: 
This is very weak: it only picked up obvious problems. Of my 1423 invalid postcodes, it incorrectly matched 635 as valid.