Utility function that removes all non-numeric characters from a string and returns just the numbers. This is used when storing SSN's, ZIP Codes, etc.
            
            
            Syntax
            
        
            Parameters
- strIN
 
- String that may contain non-numeric characters
 
            
            Return Value
String containing only the numeric characters from the input string
 
            
            
            
            
            
            
            
            
            
            
            
            See Also