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1	// Boost string_algo library example file ---------------------------------//
2
3	// Copyright Pavol Droba 2002-2003. Use, modification and
4	// distribution is subject to the Boost Software License, Version
5	// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
6	// http://www.boost.org/LICENSE_1_0.txt)
7
8	// See http://www.boost.org for updates, documentation, and revision history.
9
10	#include <string>
11	#include <iostream>
12	#include <boost/algorithm/string/trim.hpp>
13	#include <boost/algorithm/string/classification.hpp>
14
15	using namespace std;
16	using namespace boost;
17
18	int main()
19	{
20	cout << "* Trim Example *" << endl << endl;
21
22	string str1(" 1x x x x1 ");
23	string str2("<>trim<>");
24	string str3("123abs343");
25
26	// Simple left trim
27	cout << "trim_left copy of str1: " << "\"" << trim_left_copy( Input: str1 ) << "\"" << endl;
28
29	// Inplace right trim
30	trim_right( Input&: str1 );
31	cout << "trim_right on str1: " << "\"" << str1 << "\"" << endl;
32
33	// Parametric trim. 'Space' is defined using is_any_of predicate
34	cout
35	<< "trimmed copy of str4 ( space='<>' ): "
36	<< "\""<< trim_copy_if( Input: str2, IsSpace: is_any_of(Set: "<>") ) << "\"" << endl;
37
38
39	// Parametric trim. 'Space' is defined using is_digit predicate
40	cout
41	<< "trimmed copy of str5 ( space=digit ): "
42	<< "\"" << trim_copy_if( Input: str3, IsSpace: is_digit() ) << "\"" << endl;
43
44	cout << endl;
45
46	return `0`;
47	}
48

trim_example.cpp