Sara Kenedy wrote:
Hi all,

I want to write a function to separate a string into a list of strings
separated by commas.

Example:
separate :: String -> [String]

separate "Haskell, Haskell, and Haskell" = ["Haskell", "Haskell", "and Haskell"]

If anyone has some ideas, please share with me. Thanks.
Here is a solution using the Posix regex module.
Prelude Text.Regex> splitRegex (mkRegex "[ \t]*,[ \t]*") "Haskell, Haskell, and Haskell"
["Haskell","Haskell","and Haskell"]
This form should work regardless of locale, but appears to be broken, although I expect this is either my fault or that of the underlying Posix library:
Prelude Text.Regex> splitRegex (mkRegex "[:space:]*,[:space:]*") "Haskell, Haskell, and Haskell"
["Haskell"," Haskell"," and Haskell"]

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