Hello

You can build GNU's regex C-library with MinGW from source and this
will give you regex.h and libregex.a / libregex.dll.

I think I've only had the Haskell regex-posix package half-working
doing this though; i.e. I could build and install regex-posix after
I'd made and installed GNU regex, but when I tried to use (Haskell)
packages that depended on (Haskell) regex-posix I got linker errors.
As I could live without the dependent packages I never investigated
further.

Best wishes

Stephen
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Thanks, it works. Some tests from regex-posix-unittest still fail, but I think this is because of my regex implementation. If you interested in using regex-posix on Windows, this is what I actually did to make it work:

Firs I’ve downloaded regex library from http://mingw.cvs.sourceforge.net/mingw/regex/ and built it with default parameters. This gave me libgnurx-0.dll. Than I’ve downloaded regex-posix from hackage, added reference to libgnurx to the cabal file, built and install. At this point I was able to build and run regex-posix-unittest, but GHCi still didn’t want to load the library. I’ve copied libgnurx-0.dll into the GHC’s /bin directory and renamed it to libgnurx.dll. After this GHCi has started work. I use GHC 6.12.2 on Windows Server Web 2008, regex-posix is 0.94.1. I think it would be nice if someone will write an article on Haskell Wiki on building regex-posix, but my English is not good enough for such things.