[Etoile-dev] Regular Expression library

[Yen-Ju Chen]

I think a regular expression library is a must-have in Etoile.
At least LuceneKit need one.
There are couple choices:

1. The built-in regex library. 
  Pro: no other dependency. 
  Con: it behaves differently on different platforms. 
  (FreeBSD is posix regex, Linux is GNU regex).
2. PCRE (pcre.org). 
  Pro: Used by many other projects. BSD license.
  Con: dependency.
3. Oniguruma (http://www.geocities.jp/kosako3/oniguruma/). 
  Pro: A cocoa kit
(http://www8.ocn.ne.jp/%7esonoisa/OgreKit/index.html) exists already.
  BSD license.
  Support many encoding.
  Con: dependency.

I personally prefer Oniguruma/OregKit though.

Yen-Ju