Sort the letters of string in alphabetical order: Difference between revisions

m
expanded the scope of the (draft) task a little to include characters, not just letters. So that would now include digits, punctuation, blanks, and other characters.
m (→‎{{header|REXX}}: added the computer programming language REXX.)
m (expanded the scope of the (draft) task a little to include characters, not just letters. So that would now include digits, punctuation, blanks, and other characters.)
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;Task:
Write a function to sort the letterscharacters of a string in alphabetical order.
 
Show the results here on this page.
 
The case   (uppercase and lowercase)   of any letters should be preserved.
 
Write the function even your language has a built-in function for it.