Re: [Boost-users] [Regex] Why is my RE not working?... :-)

Subject: Re: [Boost-users] [Regex] Why is my RE not working?... :-)
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2008-12-27 19:32:42

AMDG

Adem wrote:
> Given these definitions:
>   RE: " 
> (ip=|\\(|\\[)(\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3})(\\]|\\)|,|;| 
> |\n)";
>   Text: "BLAH ([1.2.3.4]) [5.6.7.8] ip=100.100.200.200 BLAH2 
> (77.48.32.42)\n";
>
> the following code prints:
>  IP=5.6.7.8 100.100.200.200 77.48.32.42
>
> I wonder why it skips the first IP, ie. 1.2.3.4 ?
> Is there something wrong in my RE definition above, the code below, or 
> in boost::regex?
> I'm sure it's just a silly error of mine but I don't see it... :-(

The problem is the leading space in the regex.

In Christ,
Steven Watanabe