std::basic_regex< _Ch_type, _Rx_traits >(3)

NAME
std::basic_regex< _Ch_type, _Rx_traits >

SYNOPSIS

  Public Types
typedef regex_constants::syntax_option_type flag_type
typedef traits_type::locale_type locale_type
typedef traits_type::string_type string_type
typedef _Rx_traits traits_type
typedef _Ch_type value_type

  Related Functions
(Note that these are not member functions.)
template<typename _Ch_type , typename _Rx_traits > void swap (basic_regex< _Ch_type, _Rx_traits > &__lhs, basic_regex< _Ch_type, _Rx_traits > &__rhs)
Swaps the contents of two regular expression objects.

  Constants
std [28.8.1](1)
static constexpr flag_type icase
static constexpr flag_type nosubs
static constexpr flag_type optimize
static constexpr flag_type collate
static constexpr flag_type ECMAScript
static constexpr flag_type basic
static constexpr flag_type extended
static constexpr flag_type awk
static constexpr flag_type grep
static constexpr flag_type egrep
template<typename , typename , typename , bool > class __detail::_Executor
template<typename _Bp , typename _Ap , typename _Cp , typename _Rp , __detail::_RegexExecutorPolicy , bool > bool __detail::__regex_algo_impl (_Bp, _Bp, match_results< _Bp, _Ap > &, const basic_regex< _Cp, _Rp > &, regex_constants::match_flag_type)
basic_regex ()
basic_regex (const _Ch_type *__p, flag_type __f=ECMAScript)
Constructs a basic regular expression from the sequence [__p, __p + char_traits<_Ch_type>::length(__p)) interpreted according to the flags in __f.
basic_regex (const _Ch_type *__p, std::size_t __len, flag_type __f=ECMAScript)
Constructs a basic regular expression from the sequence [p, p + len) interpreted according to the flags in f.
basic_regex (const basic_regex &__rhs)=default
Copy-constructs a basic regular expression.
basic_regex (basic_regex &&__rhs) noexcept=default
Move-constructs a basic regular expression.
template<typename _Ch_traits , typename _Ch_alloc > basic_regex (const std::basic_string< _Ch_type, _Ch_traits, _Ch_alloc > &__s, flag_type __f=ECMAScript)
Constructs a basic regular expression from the string s interpreted according to the flags in f.
template<typename _FwdIter > basic_regex (_FwdIter __first, _FwdIter __last, flag_type __f=ECMAScript)
Constructs a basic regular expression from the range [first, last) interpreted according to the flags in f.
basic_regex (initializer_list< _Ch_type > __l, flag_type __f=ECMAScript)
Constructs a basic regular expression from an initializer list.
~basic_regex ()
Destroys a basic regular expression.
basic_regex & operator= (const basic_regex &__rhs)
Assigns one regular expression to another.
basic_regex & operator= (basic_regex &&__rhs) noexcept
Move-assigns one regular expression to another.
basic_regex & operator= (const _Ch_type *__p)
Replaces a regular expression with a new one constructed from a C-style null-terminated string.
basic_regex & operator= (initializer_list< _Ch_type > __l)
Replaces a regular expression with a new one constructed from an initializer list.
template<typename _Ch_traits , typename _Alloc > basic_regex & operator= (const basic_string< _Ch_type, _Ch_traits, _Alloc > &__s)
Replaces a regular expression with a new one constructed from a string.
basic_regex & assign (const basic_regex &__rhs)
the real assignment operator.
basic_regex & assign (basic_regex &&__rhs) noexcept
The move-assignment operator.
basic_regex & assign (const _Ch_type *__p, flag_type __flags=ECMAScript)
Assigns a new regular expression to a regex object from a C-style null-terminated string containing a regular expression pattern.
basic_regex & assign (const _Ch_type *__p, size_t __len, flag_type __flags=ECMAScript)
Assigns a new regular expression to a regex object from a C-style string containing a regular expression pattern.
template<typename _Ch_traits , typename _Alloc > basic_regex & assign (const basic_string< _Ch_type, _Ch_traits, _Alloc > &__s, flag_type __flags=ECMAScript)
Assigns a new regular expression to a regex object from a string containing a regular expression pattern.
template<typename _InputIterator > basic_regex & assign (_InputIterator __first, _InputIterator __last, flag_type __flags=ECMAScript)
Assigns a new regular expression to a regex object.
basic_regex & assign (initializer_list< _Ch_type > __l, flag_type __flags=ECMAScript)
Assigns a new regular expression to a regex object.
unsigned int mark_count () const
Gets the number of marked subexpressions within the regular expression.
flag_type flags () const
Gets the flags used to construct the regular expression or in the last call to assign().
locale_type imbue (locale_type __loc)
Imbues the regular expression object with the given locale.
locale_type getloc () const
Gets the locale currently imbued in the regular expression object.
void swap (basic_regex &__rhs)
Swaps the contents of two regular expression objects.

Detailed Description

  template<typename _Ch_type, typename _Rx_traits = regex_traits<_Ch_type>>
class std::basic_regex< _Ch_type, _Rx_traits >" Objects of specializations of this class represent regular expressions constructed from sequences of character type _Ch_type.

Storage for the regular expression is allocated and deallocated as necessary by the member functions of this class.

Definition at line 36 of file regex.h.

Author

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