From: Atwood, John Wesley [mailto:john.atwood@hp.com]
Under my Linux install, with ghc6.4, it doesn't throw an exception, but also doesn't return a correct result; it returns Just []. Under WindowsXP, ghc6.4, I get the exception you get; under hugs, it can't find subRegex, but matchRegex returns Just []. What does seem to work is
import Text.Regex.Posix
p1 = do r <- regcomp "\\." 0 b <- regexec r "foo.bar" putStr (show b)
why it's in the IO monad, I don't know. Where would I find the source? I browsed the ghc cvs at haskell.org, but can't find Text.Regex.
John
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