std::basic_regex::basic_regex
性病：基本[医]regex：：basic[医]雷吉
| basic_regex( | (1) | (since C++11) |
|---|---|---|
| explicit basic_regex( const CharT* s, flag_type f = std::regex_constants::ECMAScript | (2) | (since C++11) |
| basic_regex( const CharT* s, std::size_t count, flag_type f = std::regex_constants::ECMAScript | (3) | (since C++11) |
| basic_regex( const basic_regex& other | (4) | (since C++11) |
| basic_regex( basic_regex&& other | (5) | (since C++11) |
| template< class ST, class SA > explicit basic_regex( const std::basic_string<CharT,ST,SA>& str, flag_type f = std::regex_constants::ECMAScript | (6) | (since C++11) |
| template< class ForwardIt > basic_regex( ForwardIt first, ForwardIt last, flag_type f = std::regex_constants::ECMAScript | (7) | (since C++11) |
| basic_regex( std::initializer_list<CharT> init, flag_type f = std::regex_constants::ECMAScript | (8) | (since C++11) |
从根据标志解释的字符序列中构造一个新的正则表达式。f...
1%29默认构造函数。构造一个空正则表达式，该表达式将与任何内容不匹配。
2%29从以空结尾的字符串构造正则表达式。s...
3%29从count字符，由s...
4%29复制构造函数。通过复制构造正则表达式other
5%29移动构造函数。的内容构造正则表达式。other使用移动语义。
6%29从字符串构造正则表达式。str...
7%29范围构造函数。使用范围的内容构造字符串。[first, last)...
8%29初始化程序列表构造函数。使用初始化程序列表的内容构造字符串。init...
参数
| s | - | pointer to a null-terminated string |
|---|---|---|
| count | - | length of a character sequence used to initialize the regex |
| first, last | - | range of a character sequence used to initialize the regex |
| str | - | a basic_string used as a source used to initialize the regex |
| other | - | another regex to use as source to initialize the regex |
| init | - | initializer list used to initialize the regex |
| f | - | flags used to guide the interpretation of the character sequence as a regular expression |
类型要求
---。
例外
1%29%280%29
2-3%29std::regex_error如果提供的正则表达式无效。
4%29%280%29
5%29
noexcept规格：
noexcept
5-8%29std::regex_error如果提供的正则表达式无效。
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