Re: [Boost-Users] using regexps with streams

From: John Maddock (john_maddock_at_[hidden])
Date: 2002-11-08 07:09:18

> i'm wondering if it's possible to use apply the regex-search algorithm on
> an input stream. my first thought is that it's not, since i've read (and
> so it looks on the specification) that the regex_search function can be
> passed only bi-directional iterators, and as far as i know one can only
> create input iterators on streams. typically, the first and second
> arguments of regex_search are iterators on the first and (most annoyingly)
> last element, which one cannot get with a stream.
>
> however, there might be (and i hope there is) another way to do it i'm not
> aware of.

Take a look at the partial match examples - there is one that does almost
exactly what you want (partial_regex_grep.cpp).

John Maddock
http://ourworld.compuserve.com/homepages/john_maddock/index.htm