[boost] Re: Announcing: xpressive

From: Eric Niebler (eric_at_[hidden])
Date: 2003-11-17 23:42:57

Brian McNamara wrote:

> I agree that it is desirable to be able to _statically_ (at
> compile-time) analyze and "compute on" regexps.
> 
> The main disadvantage is that it forces us to write regexps "ugly":
> 
>    +(_1 = "hello ") >> "world"
> 
> rather than "pretty":
> 
>    regexp("(hello )+world")

Some would say regular expressions are ugly any way you look at them. 
:-) As an expression template, you can use whitespace, indenting and 
comments to make your regular expression more readable. Beauty is in the 
eye of coder.

-- 
Eric Niebler
Boost Consulting
www.boost-consulting.com