std::basic_regex< _Ch_type, _Rx_traits >(3cxx) | std::basic_regex< _Ch_type, _Rx_traits >(3cxx) |
NAME¶
std::basic_regex< _Ch_type, _Rx_traits > -SYNOPSIS¶
Public Types¶
typedef
Public Member Functions¶
basic_regex ()
Static Public Attributes¶
Constantsstatic constexpr flag_type icase
Protected Attributes¶
__detail::_AutomatonPtr _M_automaton
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 335 of file regex.h.Constructor & Destructor Documentation¶
template<typename _Ch_type, typename _Rx_traits = regex_traits<_Ch_type>> std::basic_regex< _Ch_type, _Rx_traits >:: basic_regex () [inline]¶
Constructs a basic regular expression that does not match any character sequence. Definition at line 367 of file regex.h.template<typename _Ch_type, typename _Rx_traits = regex_traits<_Ch_type>> std::basic_regex< _Ch_type, _Rx_traits >:: basic_regex (const _Ch_type *__p, flag_type__f = ECMAScript) [inline], [explicit]¶
Constructs a basic regular expression from the sequence [__p, __p + char_traits<_Ch_type>::length(__p)) interpreted according to the flags in __f. Parameters:__p A pointer to the start of a C-style
null-terminated string containing a regular expression.
__f Flags indicating the syntax rules and options.
Exceptions:
regex_error if __p is not a valid regular
expression.
Definition at line 385 of file regex.h.
template<typename _Ch_type, typename _Rx_traits = regex_traits<_Ch_type>> std::basic_regex< _Ch_type, _Rx_traits >:: basic_regex (const _Ch_type *__p, std::size_t__len, flag_type__f) [inline]¶
Constructs a basic regular expression from the sequence [p, p + len) interpreted according to the flags in f. Parameters:__p A pointer to the start of a string containing
a regular expression.
__len The length of the string containing the regular expression.
__f Flags indicating the syntax rules and options.
Exceptions:
regex_error if __p is not a valid regular
expression.
Definition at line 403 of file regex.h.
template<typename _Ch_type, typename _Rx_traits = regex_traits<_Ch_type>> std::basic_regex< _Ch_type, _Rx_traits >:: basic_regex (const basic_regex< _Ch_type, _Rx_traits > &__rhs) [inline]¶
Copy-constructs a basic regular expression. Parameters:__rhs A regex object.
Definition at line 413 of file regex.h.
template<typename _Ch_type, typename _Rx_traits = regex_traits<_Ch_type>> std::basic_regex< _Ch_type, _Rx_traits >:: basic_regex (const basic_regex< _Ch_type, _Rx_traits > &&__rhs) [inline], [noexcept]¶
Move-constructs a basic regular expression. Parameters:__rhs A regex object.
Definition at line 423 of file regex.h.
template<typename _Ch_type, typename _Rx_traits = regex_traits<_Ch_type>> template<typename _Ch_traits , typename _Ch_alloc > std::basic_regex< _Ch_type, _Rx_traits >:: basic_regex (const std::basic_string< _Ch_type, _Ch_traits, _Ch_alloc > &__s, flag_type__f = ECMAScript) [inline], [explicit]¶
Constructs a basic regular expression from the string s interpreted according to the flags in f. Parameters:__s A string containing a regular expression.
__f Flags indicating the syntax rules and options.
Exceptions:
regex_error if __s is not a valid regular
expression.
Definition at line 439 of file regex.h.
template<typename _Ch_type, typename _Rx_traits = regex_traits<_Ch_type>> template<typename _InputIterator > std::basic_regex< _Ch_type, _Rx_traits >:: basic_regex (_InputIterator__first, _InputIterator__last, flag_type__f = ECMAScript) [inline]¶
Constructs a basic regular expression from the range [first, last) interpreted according to the flags in f. Parameters:__first The start of a range containing a valid
regular expression.
__last The end of a range containing a valid regular expression.
__f The format flags of the regular expression.
Exceptions:
regex_error if [__first, __last) is not a valid
regular expression.
Definition at line 461 of file regex.h.
template<typename _Ch_type, typename _Rx_traits = regex_traits<_Ch_type>> std::basic_regex< _Ch_type, _Rx_traits >:: basic_regex (initializer_list< _Ch_type >__l, flag_type__f = ECMAScript) [inline]¶
Constructs a basic regular expression from an initializer list. Parameters:__l The initializer list.
__f The format flags of the regular expression.
Exceptions:
regex_error if __l is not a valid regular
expression.
Definition at line 475 of file regex.h.
template<typename _Ch_type, typename _Rx_traits = regex_traits<_Ch_type>> std::basic_regex< _Ch_type, _Rx_traits >::~ basic_regex () [inline]¶
Destroys a basic regular expression. Definition at line 485 of file regex.h.Member Function Documentation¶
template<typename _Ch_type, typename _Rx_traits = regex_traits<_Ch_type>> basic_regex& std::basic_regex< _Ch_type, _Rx_traits >::assign (const basic_regex< _Ch_type, _Rx_traits > &__rhs) [inline]¶
the real assignment operator. Parameters:__rhs Another regular expression object.
Definition at line 531 of file regex.h.
References std::basic_regex< _Ch_type, _Rx_traits >::swap().
Referenced by std::basic_regex< _Ch_type, _Rx_traits >::assign(), and
std::basic_regex< _Ch_type, _Rx_traits >::operator=().
template<typename _Ch_type, typename _Rx_traits = regex_traits<_Ch_type>> basic_regex& std::basic_regex< _Ch_type, _Rx_traits >::assign ( basic_regex< _Ch_type, _Rx_traits > &&__rhs) [inline], [noexcept]¶
The move-assignment operator. Parameters:__rhs Another regular expression object.
Definition at line 544 of file regex.h.
References std::move(), and std::basic_regex< _Ch_type, _Rx_traits
>::swap().
template<typename _Ch_type, typename _Rx_traits = regex_traits<_Ch_type>> basic_regex& std::basic_regex< _Ch_type, _Rx_traits >::assign (const _Ch_type *__p, flag_type__flags = ECMAScript) [inline]¶
Assigns a new regular expression to a regex object from a C-style null-terminated string containing a regular expression pattern. Parameters:__p A pointer to a C-style null-terminated string
containing a regular expression pattern.
__flags Syntax option flags.
Exceptions:
regex_error if __p does not contain a valid
regular expression pattern interpreted according to __flags. If regex_error is
thrown, *this remains unchanged.
Definition at line 565 of file regex.h.
References std::basic_regex< _Ch_type, _Rx_traits >::assign().
template<typename _Ch_type, typename _Rx_traits = regex_traits<_Ch_type>> basic_regex& std::basic_regex< _Ch_type, _Rx_traits >::assign (const _Ch_type *__p, std::size_t__len, flag_type__flags) [inline]¶
Assigns a new regular expression to a regex object from a C-style string containing a regular expression pattern. Parameters:__p A pointer to a C-style string containing a
regular expression pattern.
__len The length of the regular expression pattern string.
__flags Syntax option flags.
Exceptions:
regex_error if p does not contain a valid regular
expression pattern interpreted according to __flags. If regex_error is thrown,
*this remains unchanged.
Definition at line 582 of file regex.h.
References std::basic_regex< _Ch_type, _Rx_traits >::assign().
template<typename _Ch_type, typename _Rx_traits = regex_traits<_Ch_type>> template<typename _Ch_typeraits , typename _Alloc > basic_regex& std::basic_regex< _Ch_type, _Rx_traits >::assign (const basic_string< _Ch_type, _Ch_typeraits, _Alloc > &__s, flag_type__flags = ECMAScript) [inline]¶
Assigns a new regular expression to a regex object from a string containing a regular expression pattern. Parameters:__s A string containing a regular expression
pattern.
__flags Syntax option flags.
Exceptions:
regex_error if __s does not contain a valid
regular expression pattern interpreted according to __flags. If regex_error is
thrown, *this remains unchanged.
Definition at line 598 of file regex.h.
References std::basic_regex< _Ch_type, _Rx_traits >::swap().
template<typename _Ch_type, typename _Rx_traits = regex_traits<_Ch_type>> template<typename _InputIterator > basic_regex& std::basic_regex< _Ch_type, _Rx_traits >::assign (_InputIterator__first, _InputIterator__last, flag_type__flags = ECMAScript) [inline]¶
Assigns a new regular expression to a regex object. Parameters:__first The start of a range containing a valid
regular expression.
__last The end of a range containing a valid regular expression.
__flags Syntax option flags.
Exceptions:
regex_error if p does not contain a valid regular
expression pattern interpreted according to __flags. If regex_error is thrown,
the object remains unchanged.
Definition at line 621 of file regex.h.
References std::basic_regex< _Ch_type, _Rx_traits >::assign().
template<typename _Ch_type, typename _Rx_traits = regex_traits<_Ch_type>> basic_regex& std::basic_regex< _Ch_type, _Rx_traits >::assign (initializer_list< _Ch_type >__l, flag_type__flags = ECMAScript) [inline]¶
Assigns a new regular expression to a regex object. Parameters:__l An initializer list representing a regular
expression.
__flags Syntax option flags.
Exceptions:
regex_error if __l does not contain a valid
regular expression pattern interpreted according to __flags. If regex_error is
thrown, the object remains unchanged.
Definition at line 637 of file regex.h.
References std::basic_regex< _Ch_type, _Rx_traits >::assign().
template<typename _Ch_type, typename _Rx_traits = regex_traits<_Ch_type>> flag_type std::basic_regex< _Ch_type, _Rx_traits >::flags () const [inline]¶
Gets the flags used to construct the regular expression or in the last call to assign(). Definition at line 654 of file regex.h. Referenced by std::basic_regex< _Ch_type, _Rx_traits >::operator=().template<typename _Ch_type, typename _Rx_traits = regex_traits<_Ch_type>> locale_type std::basic_regex< _Ch_type, _Rx_traits >::getloc () const [inline]¶
Gets the locale currently imbued in the regular expression object. Definition at line 672 of file regex.h.template<typename _Ch_type, typename _Rx_traits = regex_traits<_Ch_type>> locale_type std::basic_regex< _Ch_type, _Rx_traits >::imbue (locale_type__loc) [inline]¶
Imbues the regular expression object with the given locale. Parameters:__loc A locale.
Definition at line 664 of file regex.h.
template<typename _Ch_type, typename _Rx_traits = regex_traits<_Ch_type>> unsigned int std::basic_regex< _Ch_type, _Rx_traits >::mark_count () const [inline]¶
Gets the number of marked subexpressions within the regular expression. Definition at line 646 of file regex.h.template<typename _Ch_type, typename _Rx_traits = regex_traits<_Ch_type>> basic_regex& std::basic_regex< _Ch_type, _Rx_traits >::operator= (const basic_regex< _Ch_type, _Rx_traits > &__rhs) [inline]¶
Assigns one regular expression to another. Definition at line 492 of file regex.h. References std::basic_regex< _Ch_type, _Rx_traits >::assign().template<typename _Ch_type, typename _Rx_traits = regex_traits<_Ch_type>> basic_regex& std::basic_regex< _Ch_type, _Rx_traits >::operator= ( basic_regex< _Ch_type, _Rx_traits > &&__rhs) [inline], [noexcept]¶
Move-assigns one regular expression to another. Definition at line 499 of file regex.h. References std::basic_regex< _Ch_type, _Rx_traits >::assign(), and std::move().template<typename _Ch_type, typename _Rx_traits = regex_traits<_Ch_type>> basic_regex& std::basic_regex< _Ch_type, _Rx_traits >::operator= (const _Ch_type *__p) [inline]¶
Replaces a regular expression with a new one constructed from a C-style null-terminated string. Parameters:__p A pointer to the start of a null-terminated
C-style string containing a regular expression.
Definition at line 510 of file regex.h.
References std::basic_regex< _Ch_type, _Rx_traits >::assign(), and
std::basic_regex< _Ch_type, _Rx_traits >::flags().
template<typename _Ch_type, typename _Rx_traits = regex_traits<_Ch_type>> template<typename _Ch_typeraits , typename _Alloc > basic_regex& std::basic_regex< _Ch_type, _Rx_traits >::operator= (const basic_string< _Ch_type, _Ch_typeraits, _Alloc > &__s) [inline]¶
Replaces a regular expression with a new one constructed from a string. Parameters:__s A pointer to a string containing a regular
expression.
Definition at line 521 of file regex.h.
References std::basic_regex< _Ch_type, _Rx_traits >::assign(), and
std::basic_regex< _Ch_type, _Rx_traits >::flags().
template<typename _Ch_type, typename _Rx_traits = regex_traits<_Ch_type>> void std::basic_regex< _Ch_type, _Rx_traits >::swap ( basic_regex< _Ch_type, _Rx_traits > &__rhs) [inline]¶
Swaps the contents of two regular expression objects. Parameters:__rhs Another regular expression object.
Definition at line 682 of file regex.h.
References std::swap().
Referenced by std::basic_regex< _Ch_type, _Rx_traits >::assign(), and
std::swap().
Author¶
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