String manipulation C++

miamagoo · 07-26-2010, 01:14 PM

Hi,

I need to read a file and parse a string. I know in Perl there is the split command. Is there something similar to that in C++?

crabboy · 07-26-2010, 08:49 PM

You seek a string tokenizer. In C there was strtok, in C++ you can use the STL string tokenizer. Here is the first link I found on Google:

http://oopweb.com/CPP/Documents/CPPH...g-HOWTO-7.html

m_pahlevanzadeh · 07-26-2010, 09:01 PM

if you need to create the config file for your program, you should use following library:
http://www.hyperrealm.com/libconfig/

mattca · 07-27-2010, 08:46 AM

Shouldn't this be in the programming forum?

Nylex · 07-28-2010, 01:00 AM

Quote:

Originally Posted by mattca

Shouldn't this be in the programming forum?

Yes and I've reported it to be moved there. You're encouraged to report threads to be moved if they're in the wrong place.

pixellany · 07-31-2010, 07:26 AM

Moved to Programming

bigearsbilly · 07-31-2010, 12:55 PM

here's my split to get you started.
takes a perl regex, in C++ all backslashes
must be doubled up, e.g "\s" must be "\\s"

Code:

template <class T>
int split(T& container, string s, string pat="\\s+")
{

    boost::regex reg(pat);
    boost::sregex_token_iterator it(s.begin(), s.end(), reg, -1 );
    boost::sregex_token_iterator end;
    int count = 0;

    for ( ;it != end; ++it, ++count ) {
        container.insert(container.end(), *it);
    }
    return count;
}