| Title | Test
                    Find
                    
                    Pattern Title | 
            
                | Expression | ^(?:(?:[\+]?(?<CountryCode>[\d]{1,3}(?:[ ]+|[\-.])))?[(]?(?<AreaCode>[\d]{3})[\-/)]?(?:[ ]+)?)?(?<Number>[a-zA-Z2-9][a-zA-Z0-9 \-.]{6,})(?:(?:[ ]+|[xX]|(i:ext[\.]?)){1,2}(?<Ext>[\d]{1,5}))?$ | 
            
                | Description | This allows the formatting of most phone numbers. | 
            
                | Matches | 1-800-DISCOVER | (610) 310-5555 x5555 | 533-1123 | 
            
                | Non-Matches | 1 533-1123 | 553334 | 66/12343 | 
            
                | Author | Rating:  Nicholas Berardi | 
            
                | Source |  | 
            
              | Your Rating |  | 
        
    
 
    
    
     
        
                
	                Title: Split the Exchange and SLN
	                Name: Sebastian
	                Date: 11/7/2012 2:50:16 PM
	                Comment: 
How to split the Exchange(YYY) and the SLN(ZZZ) (XXX-YYY-ZZZZ)?
                
                
            
                
	                Title: question
	                Name: John
	                Date: 12/14/2011 1:10:50 PM
	                Comment: 
Could you explain what the ? stands for before the <Number>
                
                
            
                
	                Title: Thanks!
	                Name: Stanislav
	                Date: 10/30/2011 3:34:56 PM
	                Comment: 
Nikolas, thanks a lot for the regEx! :)
                
                
            
                
	                Title: thanks
	                Name: paull
	                Date: 12/1/2010 6:27:38 AM
	                Comment: 
Thanks a lot
It is the best pattren for phone numbers
                
                
            
                
	                Title: Mr.
	                Name: Asif
	                Date: 1/20/2009 7:04:43 AM
	                Comment: 
hey nicholas thanks for ur help.plz send edits for ur regular expression bcz i want to verify this
tel:+1-202-456-1111;ext=222 
plz reply hurriedly..
                
                
            
                
	                Title: Mr
	                Name: Balachandar
	                Date: 9/28/2006 2:13:50 AM
	                Comment: 
It is the best suitable pattren for international phone numbers
                
                
            
                
	                Title: Filter out letters
	                Name: Beginner Gakusei
	                Date: 1/6/2005 5:37:30 AM
	                Comment: 
This is a very nice regex. I dont know how to make regex so can u please tell me how I can edit this code so that letters are not accepted? Many thanks. =)