Re: Help with regular expression

From:
=?ISO-8859-1?Q?Erik_Wikstr=F6m?= <Erik-wikstrom@telia.com>
Newsgroups:
comp.lang.c++
Date:
Mon, 19 Mar 2007 17:51:04 GMT
Message-ID:
<c4ALh.36681$E02.14847@newsb.telia.net>
On 2007-03-19 18:18, marco.minerva@gmail.com wrote:

Hi!

I have the following regular expression, that matches any word with
number and letter:

[[:alnum:]]+-?[[:alnum:]/@\\.#&]*'?

Now I must modify it so that also the word with a "_" inside are
accepted. For example:

As_for
From_now_on
For_example

Can you help me?
Thanks in advance.


This is really off-topic here, since there are no regex in (the current)
C++ standard, you should ask these kinds of questions in a forum for the
library you used for regexes. Having said that I think you can get it to
do what you want with one of the following (I'm no expert at regex and I
don't recognize the flavour so I give no guarantees):

[[:alnum:]]+(-|_)?[[:alnum:]/@\\.#&]*'?

[[:alnum:]]+[-_]?[[:alnum:]/@\\.#&]*'?

--
Erik Wikstr?m

cout<<"Destructor"<<endl; }

};
int main()
{
    try {
        base *ptr=new base;


Make that

   std::auto_ptr<base> ptr( new base );

        throw 44;
    }catch(...) { // I am
expecting base destructor to be called here
        cout<<" Inside catch"<<endl; // But it is not
    }
}


Hth.,

- Alf (an export on C++)

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