// Boost string_algo library example file ---------------------------------//

// Copyright Pavol Droba 2002-2003. Use, modification and

// distribution is subject to the Boost Software License, Version

// 1.0. (See accompanying file LICENSE_1_0.txt or copy at

// http://www.boost.org/LICENSE_1_0.txt)

// See http://www.boost.org for updates, documentation, and revision history.

#include <string>

#include <iostream>

#include <functional>

#include <boost/algorithm/string/predicate.hpp>

#include <boost/algorithm/string/classification.hpp>

using namespace std;

using namespace boost;

int main()

{

cout << "* Predicate Example *" << endl << endl;

string str1("123xxx321");

string str2("abc");

// Check if str1 starts with '123'

cout << "str1 starts with \"123\": " <<

(starts_with( str1, string("123") )?"true":"false") << endl;

// Check if str1 ends with '123'

cout << "str1 ends with \"123\": " <<

(ends_with( str1, string("123") )?"true":"false") << endl;

// Check if str1 contains 'xxx'

cout << "str1 contains \"xxx\": " <<

(contains( str1, string("xxx") )?"true":"false") << endl;

// Check if str2 equals to 'abc'

cout << "str2 equals \"abc\": " <<

(equals( str2, string("abc") )?"true":"false") << endl;

// Classification functors and all predicate

if ( all(";.,", is_punct() ) )

{

cout << "\";.,\" are all punctuation characters" << endl;

}

// Classification predicates can be combined

if ( all("abcxxx", is_any_of("xabc") && !is_space() ) )

{

cout << "true" << endl;

}

cout << endl;

return 0;

}