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 | Allegro CL | 

 
 
 
 
 

 

 
 
| ANSI Common Lisp  13 Characters  13.1 Character Concepts  13.1.4 Character Categories 13.1.4.5 Alphanumeric CharactersThe set of alphanumeric characters is the union of the set of alphabetic1 characters and the set of numeric characters. | 

 
 
 
 
 

 

 
