Lines Matching full:letters
11 lowercase -- a string containing all characters considered lowercase letters
12 uppercase -- a string containing all characters considered uppercase letters
13 letters -- a string containing all characters considered letters
26 letters = lowercase + uppercase
34 printable = digits + letters + punctuation + whitespace
219 # convert UPPER CASE letters to lower case
228 # Convert lower case letters to UPPER CASE
237 # Swap lower case letters and UPPER CASE
529 letters = lowercase + uppercase
