| Title | Test
                    Find
                    
                    Pattern Title | 
            
                | Expression | ^([a-zA-Z]\:) (\\{1}| ((\\{1}) [^\\] ([^/:*?<>"|]*(?<![ ])))+)$ | 
            
                | Description | Validates windows path and invalidates UNC path | 
            
                | Matches | c:\34\445\546\3.htm | C:\ | 
            
                | Non-Matches | \\qaz | c:\Ram<\ | C: or c:\\ or \\  | 
            
                | Author | Rating:  Gaurav Shrivastava | 
            
                | Source |  | 
            
              | Your Rating |  | 
        
    
 
    
    
     
        
                
	                Title: remember to take spaces out of expression
	                Name: ken
	                Date: 2/2/2006 10:41:25 AM
	                Comment: 
The correct expression should be this:
^([a-zA-Z]\:)(\\{1}|((\\{1})[^\\]([^/:*?<>"|]*(?<![ ])))+)$
For some reason, the one that's on the page has extra spaces in it...