Question

This is probably something very basic, but my Erlang installation is doggedly rejecting my calls to the re module with error:undefs. It accepts the regexp package, however, so I’m thinking its a version issue.

I’m running v. 5.6.2, and -import(re, [...]). at the top of my file, are there any other gotchas I may be missing? I searched for a fair bit of time, but couldn’t find a page describing the minimum version needed.

On a related note, since I’m still pretty fresh to Erlang and its tools/community/dev environments, if you have any suggestions for sites to visit frequently, or tools that changed your dev cycle, please let me know.

Thanks!

EDIT: If you want to see some code:

Erlang (BEAM) emulator version 5.6.2 [source] [smp:2] [async-threads:0] [kernel-poll:false]

Eshell V5.6.2  (abort with ^G)
1> re:compile("paul").
** exception error: undefined function re:compile/1

2> regexp:match("paul","au").
{match,2,2}

And in my Eunit test:

::error:undef
  in function re:compile/1
    called as compile("\\s+")

Answer 1

Your Erlang installation is very old. It is probably one of pre-R12B releases. The most current stable version is R13B04, and R14 is in beta stage now.