allow regular expressions in expressions
allow regular expressions in expressions

Ignore-this: 98213e80214e855b6fc68e35789307b9

darcs-hash:20100119095949-c41ad-36d70dab0d7a7899e494aee0b507ace9c76eb33b

vbmithr/ocaml-text,vbmithr/ocaml-text