| Title | 
                
                    Test
                    Find
                    
                    Pattern Title
                 | 
            
            
                | Expression | 
                ((\(\d{3}\) ?)|(\d{3}[- \.]))?\d{3}[- \.]\d{4}(\s(x\d+)?){0,1}$  | 
            
            
                | Description | 
                This will match US most common telephones format with extension or with out extension.  Works with both Java and .NET.  | 
            
            
                | Matches | 
                (123) 456-7890 | (123) 456-7890 x123  | 
            
            
                | Non-Matches | 
                (123) 456-7890 x123x | (123) 456-7890 x123 x123 | (123) 456-7890 x  | 
            
            
                | Author | 
                
                    Rating:
                        
Not yet rated.
                    khoi le
                 | 
            
            
                | Source | 
                Extension of Steven Smith regex | 
            
            
              | Your Rating | 
              
                
		       | 
            
        
    
 
    
    
     
        
                
	                Title: Works great with Ajax MaskedEditExtender
	                Name: BiNiCi
	                Date: 10/31/2007 1:54:13 AM
	                Comment: 
Awesome! This is what I needed for the Ajax extender that masks the text box!