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      std::regex_match

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      < cpp‎ | regex

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      C++
       
      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)
       
      Defined in header <regex>
      template<class BidirIt,

                class Alloc, class CharT, class Traits >
      bool regex_match( BidirIt first, BidirIt last,
                        std::match_results<BidirIt,Alloc>& m,
                        conststd::basic_regex<CharT,Traits>& e,
                        std::regex_constants::match_flag_type flags =

                            std::regex_constants::match_default);
      		 (1) (C++11およびそれ以降)
      template<class BidirIt,

                class CharT, class Traits >
      bool regex_match( BidirIt first, BidirIt last,
                        conststd::basic_regex<CharT,Traits>& e,
                        std::regex_constants::match_flag_type flags =

                            std::regex_constants::match_default);
      		 (2) (C++11およびそれ以降)
      template<class CharT, class Alloc, class Traits >

      bool regex_match(const CharT* str,
                        std::match_results<const CharT*,Alloc>& m,
                        conststd::basic_regex<CharT,Traits>& e,
                        std::regex_constants::match_flag_type flags =

                            std::regex_constants::match_default);
      		 (3) (C++11およびそれ以降)
      template<class STraits, class SAlloc,

                class Alloc, class CharT, class Traits >
      bool regex_match(conststd::basic_string<CharT,STraits,SAlloc>& s,
                        std::match_results<
                            typenamestd::basic_string<CharT,STraits,SAlloc>::const_iterator,
                            Alloc
                        >& m,
                        conststd::basic_regex<CharT,Traits>& e,
                        std::regex_constants::match_flag_type flags =

                            std::regex_constants::match_default);
      		 (4) (C++11およびそれ以降)
      template<class CharT, class Traits >

      bool regex_match(const CharT* str,
                        conststd::basic_regex<CharT,Traits>& e,
                        std::regex_constants::match_flag_type flags =

                            std::regex_constants::match_default);
      		 (5) (C++11およびそれ以降)
      template<class STraits, class SAlloc,

                class CharT, class Traits >
      bool regex_match(conststd::basic_string<CharT, STraits, SAlloc>& s,
                        conststd::basic_regex<CharT,Traits>& e,
                        std::regex_constants::match_flag_type flags =

                            std::regex_constants::match_default);
      		 (6) (C++11およびそれ以降)
      1)
      e、考慮[first,last)の影響を受け、正規表現flagsと全体目標の文字配列との間の一致があるかどうかを判断します。試合結果はmで返されます.
      Original:
      Determines if there is a match between the regular expression e and the entire target character sequence [first,last), taking into account the effect of flags. Match results are returned in m.
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      2)
      試合結果を省略して、上記（1）のように動作します.
      Original:
      Behaves as (1) above, omitting the match results.
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      3)
      戻りstd::regex_match(str, str +std::char_traits<charT>::length(str), m, e, flags).
      Original:
      Returns std::regex_match(str, str +std::char_traits<charT>::length(str), m, e, flags).
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      4)
      戻りstd::regex_match(s.begin(), s.end(), m, e, flags).
      Original:
      Returns std::regex_match(s.begin(), s.end(), m, e, flags).
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      5)
      戻りstd::regex_match(str, str +std::char_traits<charT>::length(str), e, flags).
      Original:
      Returns std::regex_match(str, str +std::char_traits<charT>::length(str), e, flags).
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      6)
      戻りstd::regex_match(s.begin(), s.end(), e, flags).
      Original:
      Returns std::regex_match(s.begin(), s.end(), e, flags).
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      目次

      [編集]パラメータ

      first, last -
      イテレータとして与えられたに正規表現を適用する対象の文字範囲、
      Original:
      the target character range to apply the regex to, given as iterators
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      m -
      試合結果
      Original:
      the match results
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      str -
      ヌルで終わるCスタイルの文字列として指定されたターゲット列
      Original:
      the target string, given as a null-terminated C-style string
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      s -
      std::basic_stringとして指定されたターゲット列
      Original:
      the target string, given as a std::basic_string
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      e -
      正規表現
      Original:
      the regular expression
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      flags -
      フラグが一致するものが実行される方法を決定するために使用
      Original:
      flags used to determine how the match will be performed
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      型の要件
      -
      BidirIt は BidirectionalIterator

      の要求を満足しなければなりません。

      [編集]値を返します

      マッチがtrueそうでなければ、存在するかどうかを返しfalse。いずれの場合も、オブジェクトmは、次のように、更新されます
      Original:
      Returns true if a match exists, false otherwise. In either case, the object m is updated, as follows:
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      一致するものがない場合：
      Original:
      If the match does not exist:
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      m.ready()==true
      m.empty()==true
      m.size()==0
      一致が存在する場合：
      Original:
      If the match exists:
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      m.ready()true
      m.empty()false
      m.size()
      部分式に1を足した数、1+e.mark_count()です
      Original:
      number of subexpressions plus 1, that is, 1+e.mark_count()
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      m.prefix().firstfirst
      m.prefix().secondfirst
      m.prefix().matched
      false（マッチプレフィックスは空です）
      Original:
      false (the match prefix is empty)
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      m.suffix().firstlast
      m.suffix().secondlast
      m.suffix().matched
      false（マッチサフィックスは空です）
      Original:
      false (the match suffix is empty)
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      m[0].firstfirst
      m[0].secondlast
      m[0].matched
      true（シーケンス全体がマッチする）
      Original:
      true (the entire sequence is matched)
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      m[n].first
      部分式がマッチしなかった場合、部分式n、またはlastにマッチしたシーケンスの開始
      Original:
      the start of the sequence that matched sub-expression n, or last if the subexpression did not participate in the match
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      m[n].second
      部分式がマッチしなかった場合、部分式n、またはlastにマッチしたシーケンスの終端
      Original:
      the end of the sequence that matched sub-expression n, or last if the subexpression did not participate in the match
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      m[n].matched
      true場合部分式nfalseそうでなければ、試合に参加しました
      Original:
      true if sub-expression n participated in the match, false otherwise
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      [編集]例

      このコードを実行します
      #include <iostream>#include <string>#include <regex>   int main(){std::string fnames[]={"foo.txt", "bar.txt", "zoidberg"};   std::regex txt_regex("[a-z]+\\.txt");for(constauto&fname : fnames){std::cout<< fname <<": "<< std::regex_match(fname, txt_regex)<<'\n';}}

      出力: 

      foo.txt: 1 bar.txt: 1 zoidberg: 0

      [編集]参照

      (C++11)
      正規表現オブジェクト
      Original:
      regular expression object
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      (クラステンプレート)[edit]
      (C++11)
      すべてのサブ表現の一致を含む一つの正規表現が一致した場合には、識別されます
      Original:
      identifies one regular expression match, including all sub-expression matches
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      (クラステンプレート)[edit]
      「http://ja.cppreference.com/mwiki/index.php?title=cpp/regex/regex_match&oldid=29966」から取得
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