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std::regex_error

提供: cppreference.com
< cpp‎ | regex

 
 
正規表現ライブラリ
クラス
Original:
Classes
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basic_regex(C++11)
sub_match(C++11)
match_results(C++11)
アルゴリズム
Original:
Algorithms
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regex_match(C++11)
regex_search(C++11)
regex_replace(C++11)
イテレータ
Original:
Iterators
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regex_iterator(C++11)
regex_token_iterator(C++11)
例外
Original:
Exceptions
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regex_error(C++11)
形質
Original:
Traits
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regex_traits(C++11)
定数
Original:
Constants
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syntax_option_type(C++11)
match_flag_type(C++11)
error_type(C++11)
 
std::regex_error
メンバー関数
Original:
Member Functions
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regex_error::regex_error
regex_error::code
 
Defined in header <regex>
class regex_error : public std::runtime_error {

  public:
    explicit regex_error(regex_constants::error_type ecode);
    regex_constants::error_type code() const;

};
(C++11およびそれ以降)
正規表現ライブラリのエラーを報告するために、例外としてスローされたオブジェクトのタイプを定義します.
Original:
Defines the type of object thrown as exceptions to report errors from the regular expressions library.
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目次

[編集] メンバ関数

regex_errorオブジェクトを作成します
Original:
constructs a regex_error object
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(パブリックメンバ関数) [edit]
std::regex_constants::error_typeためregex_errorを取得します
Original:
gets the std::regex_constants::error_type for a regex_error
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(パブリックメンバ関数) [edit]

Inherited from std::exception

Member functions

例外オブジェクトを破棄します
Original:
destructs the exception object
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(仮想パブリックメンバ関数of std::exception) [edit]
[仮想]
説明文字列を返します
Original:
returns an explanatory string
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(仮想パブリックメンバ関数of std::exception) [edit]

[編集]

#include <regex>
#include <iostream>
 
int main()
{
    try {
        std::regex re("[a-b][a");
    } catch(const std::regex_error& e)
    {
        std::cout << "regex_error caught: " << e.what() << '\n';
        if(e.code() == std::regex_constants::error_brack)
              std::cout << "The code was error_brack\n";
    }
}

Output:

regex_error caught: The expression contained mismatched [ and ].
The code was error_brack